diff --git a/beacon_chain/consensus_object_pools/spec_cache.nim b/beacon_chain/consensus_object_pools/spec_cache.nim
index 3f3411546..dfbca5d78 100644
--- a/beacon_chain/consensus_object_pools/spec_cache.nim
+++ b/beacon_chain/consensus_object_pools/spec_cache.nim
@@ -25,7 +25,7 @@ logScope: topics = "spec_cache"
 func count_active_validators*(shufflingRef: ShufflingRef): uint64 =
   shufflingRef.shuffled_active_validator_indices.lenu64
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#get_committee_count_per_slot
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_committee_count_per_slot
 func get_committee_count_per_slot*(shufflingRef: ShufflingRef): uint64 =
   get_committee_count_per_slot(count_active_validators(shufflingRef))
 
@@ -51,7 +51,7 @@ iterator get_beacon_committee*(
     committees_per_slot * SLOTS_PER_EPOCH
   ): yield (index_in_committee, idx)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#get_beacon_committee
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_beacon_committee
 func get_beacon_committee*(
     shufflingRef: ShufflingRef, slot: Slot, committee_index: CommitteeIndex):
     seq[ValidatorIndex] =
diff --git a/beacon_chain/fork_choice/fork_choice.nim b/beacon_chain/fork_choice/fork_choice.nim
index 114c1cbde..34c1bb97b 100644
--- a/beacon_chain/fork_choice/fork_choice.nim
+++ b/beacon_chain/fork_choice/fork_choice.nim
@@ -113,7 +113,7 @@ proc update_justified(
   self.update_justified(dag, blck, justified.epoch)
   ok()
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/fork-choice.md#update_checkpoints
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/fork-choice.md#update_checkpoints
 proc update_checkpoints(
     self: var Checkpoints, dag: ChainDAGRef,
     checkpoints: FinalityCheckpoints): FcResult[void] =
diff --git a/beacon_chain/gossip_processing/README.md b/beacon_chain/gossip_processing/README.md
index 809289dfc..ea59c6d0f 100644
--- a/beacon_chain/gossip_processing/README.md
+++ b/beacon_chain/gossip_processing/README.md
@@ -10,8 +10,8 @@ This folder holds a collection of modules to:
 Gossip validation is different from consensus verification in particular for blocks.
 
 - Blocks: https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#beacon_block
-- Attestations (aggregated): https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
-- Attestations (unaggregated): https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#attestation-subnets
+- Attestations (aggregated): https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
+- Attestations (unaggregated): https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/p2p-interface.md#attestation-subnets
 - Voluntary exits: https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.4/specs/phase0/p2p-interface.md#voluntary_exit
 - Proposer slashings: https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#proposer_slashing
 - Attester slashing: https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#attester_slashing
diff --git a/beacon_chain/libnimbus_lc/libnimbus_lc.h b/beacon_chain/libnimbus_lc/libnimbus_lc.h
index f4e78ec7d..03776574e 100644
--- a/beacon_chain/libnimbus_lc/libnimbus_lc.h
+++ b/beacon_chain/libnimbus_lc/libnimbus_lc.h
@@ -149,10 +149,10 @@ typedef struct ETHBeaconState ETHBeaconState;
  *         representation - If successful.
  * @return `NULL` - If the given `sszBytes` is malformed.
  *
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#beaconstate
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#beaconstate
  * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/beacon-chain.md#beaconstate
  * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/bellatrix/beacon-chain.md#beaconstate
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#beaconstate
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#beaconstate
  * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/configs/README.md
  */
 ETH_RESULT_USE_CHECK
@@ -271,7 +271,7 @@ void ETHBeaconClockDestroy(ETHBeaconClock *beaconClock);
  * @return Slot number for the current wall clock time - If genesis has occurred.
  * @return `0` - If genesis is still pending.
  *
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#custom-types
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#custom-types
  */
 ETH_RESULT_USE_CHECK
 int ETHBeaconClockGetSlot(const ETHBeaconClock *beaconClock);
diff --git a/beacon_chain/libnimbus_lc/libnimbus_lc.nim b/beacon_chain/libnimbus_lc/libnimbus_lc.nim
index 44b1fa890..ee1ed697e 100644
--- a/beacon_chain/libnimbus_lc/libnimbus_lc.nim
+++ b/beacon_chain/libnimbus_lc/libnimbus_lc.nim
@@ -145,7 +145,7 @@ proc ETHBeaconStateCreateFromSsz(
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#beaconstate
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/beacon-chain.md#beaconstate
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/bellatrix/beacon-chain.md#beaconstate
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#beaconstate
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#beaconstate
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/configs/README.md
   let
     consensusFork = ConsensusFork.decodeString($consensusVersion).valueOr:
@@ -755,7 +755,7 @@ func ETHLightClientStoreIsNextSyncCommitteeKnown(
   ## * Whether or not the next sync committee is currently known.
   ##
   ## See:
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#is_next_sync_committee_known
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/light-client/sync-protocol.md#is_next_sync_committee_known
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/light-client/light-client.md
   store[].is_next_sync_committee_known
 
@@ -796,7 +796,7 @@ func ETHLightClientStoreGetSafetyThreshold(
   ## * Light client store safety threshold.
   ##
   ## See:
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#get_safety_threshold
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/light-client/sync-protocol.md#get_safety_threshold
   store[].get_safety_threshold.cint
 
 proc ETHLightClientHeaderCreateCopy(
diff --git a/beacon_chain/networking/eth2_network.nim b/beacon_chain/networking/eth2_network.nim
index 28badf45f..ccb300fc4 100644
--- a/beacon_chain/networking/eth2_network.nim
+++ b/beacon_chain/networking/eth2_network.nim
@@ -2204,7 +2204,7 @@ proc getPersistentNetKeys*(
 
 func gossipId(
     data: openArray[byte], phase0Prefix, topic: string): seq[byte] =
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#topics-and-messages
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/p2p-interface.md#topics-and-messages
   # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/p2p-interface.md#topics-and-messages
   const MESSAGE_DOMAIN_VALID_SNAPPY = [0x01'u8, 0x00, 0x00, 0x00]
   let messageDigest = withEth2Hash:
diff --git a/beacon_chain/spec/beaconstate.nim b/beacon_chain/spec/beaconstate.nim
index b646fbd2c..1e29155eb 100644
--- a/beacon_chain/spec/beaconstate.nim
+++ b/beacon_chain/spec/beaconstate.nim
@@ -71,7 +71,7 @@ func compute_activation_exit_epoch*(epoch: Epoch): Epoch =
   ## ``epoch`` take effect.
   epoch + 1 + MAX_SEED_LOOKAHEAD
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/beacon-chain.md#get_validator_churn_limit
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_validator_churn_limit
 func get_validator_churn_limit*(
       cfg: RuntimeConfig, state: ForkyBeaconState, cache: var StateCache):
     uint64 =
@@ -181,7 +181,7 @@ func get_slashing_penalty*(state: ForkyBeaconState,
 func get_whistleblower_reward*(validator_effective_balance: Gwei): Gwei =
   validator_effective_balance div WHISTLEBLOWER_REWARD_QUOTIENT
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/beacon-chain.md#slash_validator
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#slash_validator
 # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/beacon-chain.md#modified-slash_validator
 # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/bellatrix/beacon-chain.md#modified-slash_validator
 func get_proposer_reward(state: ForkyBeaconState, whistleblower_reward: Gwei): Gwei =
@@ -280,7 +280,7 @@ func get_initial_beacon_block*(state: bellatrix.HashedBeaconState):
   bellatrix.TrustedSignedBeaconBlock(
     message: message, root: hash_tree_root(message))
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#testing
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#testing
 func get_initial_beacon_block*(state: capella.HashedBeaconState):
     capella.TrustedSignedBeaconBlock =
   # The genesis block is implicitly trusted
@@ -378,7 +378,7 @@ func is_eligible_for_activation*(
   # Has not yet been activated
     validator.activation_epoch == FAR_FUTURE_EPOCH
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
 proc is_valid_indexed_attestation*(
     state: ForkyBeaconState, indexed_attestation: SomeIndexedAttestation,
     flags: UpdateFlags): Result[void, cstring] =
@@ -490,7 +490,7 @@ proc is_valid_indexed_attestation(
 
 # Attestation validation
 # ------------------------------------------------------------------------------------------
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#attestations
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#attestations
 # https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
 
 func check_attestation_slot_target*(data: AttestationData): Result[Slot, cstring] =
@@ -1016,7 +1016,7 @@ proc initialize_hashed_beacon_state_from_eth1*(
   result.root = hash_tree_root(result.data)
 
 # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/bellatrix/beacon-chain.md#testing
-# https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/capella/beacon-chain.md#testing
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#testing
 # https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/deneb/beacon-chain.md#testing
 proc initialize_beacon_state_from_eth1*(
     cfg: RuntimeConfig,
diff --git a/beacon_chain/spec/datatypes/base.nim b/beacon_chain/spec/datatypes/base.nim
index 7f38af834..975a4da7b 100644
--- a/beacon_chain/spec/datatypes/base.nim
+++ b/beacon_chain/spec/datatypes/base.nim
@@ -210,7 +210,7 @@ type
   # SSZ / hashing purposes
   JustificationBits* = distinct uint8
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#proposerslashing
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#proposerslashing
   ProposerSlashing* = object
     signed_header_1*: SignedBeaconBlockHeader
     signed_header_2*: SignedBeaconBlockHeader
@@ -332,7 +332,7 @@ type
   HashedValidatorPubKey* = object
     value*: ptr HashedValidatorPubKeyItem
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#validator
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#validator
   Validator* = object
     pubkeyData*{.serializedFieldName: "pubkey".}: HashedValidatorPubKey
 
@@ -382,7 +382,7 @@ type
     deposit_count*: uint64
     block_hash*: Eth2Digest
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#signedvoluntaryexit
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#signedvoluntaryexit
   SignedVoluntaryExit* = object
     message*: VoluntaryExit
     signature*: ValidatorSig
@@ -444,7 +444,7 @@ type
     execution_block_hash*: Eth2Digest
     execution_block_height*: uint64
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/beacon-chain.md#validator
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#validator
   ValidatorStatus* = object
     # This is a validator without the expensive, immutable, append-only parts
     # serialized. They're represented in memory to allow in-place SSZ reading
diff --git a/beacon_chain/spec/datatypes/bellatrix.nim b/beacon_chain/spec/datatypes/bellatrix.nim
index d0e883684..7dabb4d43 100644
--- a/beacon_chain/spec/datatypes/bellatrix.nim
+++ b/beacon_chain/spec/datatypes/bellatrix.nim
@@ -305,7 +305,7 @@ type
     # Execution
     execution_payload*: ExecutionPayload  # [New in Bellatrix]
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/beacon-chain.md#signedbeaconblock
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#signedbeaconblock
   SignedBeaconBlock* = object
     message*: BeaconBlock
     signature*: ValidatorSig
diff --git a/beacon_chain/spec/datatypes/capella.nim b/beacon_chain/spec/datatypes/capella.nim
index 6a65f8187..996b806df 100644
--- a/beacon_chain/spec/datatypes/capella.nim
+++ b/beacon_chain/spec/datatypes/capella.nim
@@ -57,7 +57,7 @@ type
     message*: BLSToExecutionChange
     signature*: ValidatorSig
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#historicalsummary
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#historicalsummary
   HistoricalSummary* = object
     # `HistoricalSummary` matches the components of the phase0
     # `HistoricalBatch` making the two hash_tree_root-compatible.
diff --git a/beacon_chain/spec/datatypes/constants.nim b/beacon_chain/spec/datatypes/constants.nim
index 69d3e22ab..c8e50024b 100644
--- a/beacon_chain/spec/datatypes/constants.nim
+++ b/beacon_chain/spec/datatypes/constants.nim
@@ -40,7 +40,7 @@ const
   FAR_FUTURE_EPOCH* = Epoch(not 0'u64)
   FAR_FUTURE_PERIOD* = SyncCommitteePeriod(not 0'u64)
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/beacon-chain.md#domain-types
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#domain-types
   DOMAIN_BEACON_PROPOSER* = DomainType([byte 0x00, 0x00, 0x00, 0x00])
   DOMAIN_BEACON_ATTESTER* = DomainType([byte 0x01, 0x00, 0x00, 0x00])
   DOMAIN_RANDAO* = DomainType([byte 0x02, 0x00, 0x00, 0x00])
@@ -55,7 +55,7 @@ const
   DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF* = DomainType([byte 0x08, 0x00, 0x00, 0x00])
   DOMAIN_CONTRIBUTION_AND_PROOF* = DomainType([byte 0x09, 0x00, 0x00, 0x00])
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#domain-types
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#domain-types
   DOMAIN_BLS_TO_EXECUTION_CHANGE* = DomainType([byte 0x0a, 0x00, 0x00, 0x00])
 
   # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/fork-choice.md#configuration
diff --git a/beacon_chain/spec/datatypes/phase0.nim b/beacon_chain/spec/datatypes/phase0.nim
index ecf165ccf..0ef9f3f99 100644
--- a/beacon_chain/spec/datatypes/phase0.nim
+++ b/beacon_chain/spec/datatypes/phase0.nim
@@ -73,7 +73,7 @@ type
     current_justified_checkpoint*: Checkpoint
     finalized_checkpoint*: Checkpoint
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#get_total_balance
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_total_balance
   TotalBalances* = object
     # The total effective balance of all active validators during the _current_
     # epoch.
@@ -111,7 +111,7 @@ type
     data*: BeaconState
     root*: Eth2Digest # hash_tree_root(data)
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#beaconblock
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#beaconblock
   BeaconBlock* = object
     ## For each slot, a proposer is chosen from the validator pool to propose
     ## a new block. Once the block as been proposed, it is transmitted to
diff --git a/beacon_chain/spec/digest.nim b/beacon_chain/spec/digest.nim
index ea9fbd618..3e3ce3793 100644
--- a/beacon_chain/spec/digest.nim
+++ b/beacon_chain/spec/digest.nim
@@ -9,7 +9,7 @@
 
 # Consensus hash function / digest
 #
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#hash
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#hash
 #
 # In Phase 0 the beacon chain is deployed with SHA256 (SHA2-256).
 # Note that is is different from Keccak256 (often mistakenly called SHA3-256)
diff --git a/beacon_chain/spec/eth2_apis/rest_types.nim b/beacon_chain/spec/eth2_apis/rest_types.nim
index 6b0f1011e..1d9b1191b 100644
--- a/beacon_chain/spec/eth2_apis/rest_types.nim
+++ b/beacon_chain/spec/eth2_apis/rest_types.nim
@@ -289,7 +289,7 @@ type
 
   RestWithdrawalPrefix* = distinct array[1, byte]
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/capella/beacon-chain.md#executionpayload
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#executionpayload
   RestExecutionPayload* = object
     # Execution block header fields
     parent_hash*: Eth2Digest
diff --git a/beacon_chain/spec/helpers.nim b/beacon_chain/spec/helpers.nim
index d7acb7058..b926788a6 100644
--- a/beacon_chain/spec/helpers.nim
+++ b/beacon_chain/spec/helpers.nim
@@ -112,7 +112,7 @@ func get_current_epoch*(state: ForkyBeaconState): Epoch =
   ## Return the current epoch.
   state.slot.epoch
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#get_current_epoch
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_current_epoch
 func get_current_epoch*(state: ForkedHashedBeaconState): Epoch =
   ## Return the current epoch.
   withState(state): get_current_epoch(forkyState.data)
@@ -123,7 +123,7 @@ func get_previous_epoch*(
   ## Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
   get_previous_epoch(get_current_epoch(state))
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#get_randao_mix
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_randao_mix
 func get_randao_mix*(state: ForkyBeaconState, epoch: Epoch): Eth2Digest =
   ## Return the randao mix at a recent ``epoch``.
   state.randao_mixes[epoch mod EPOCHS_PER_HISTORICAL_VECTOR]
@@ -159,7 +159,7 @@ func compute_domain*(
   result[0..3] = domain_type.data
   result[4..31] = fork_data_root.data.toOpenArray(0, 27)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#get_domain
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_domain
 func get_domain*(
     fork: Fork,
     domain_type: DomainType,
diff --git a/beacon_chain/spec/signatures.nim b/beacon_chain/spec/signatures.nim
index aff92afa4..f2ef5160a 100644
--- a/beacon_chain/spec/signatures.nim
+++ b/beacon_chain/spec/signatures.nim
@@ -44,7 +44,7 @@ func compute_slot_signing_root*(
       fork, DOMAIN_SELECTION_PROOF, epoch, genesis_validators_root)
   compute_signing_root(slot, domain)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.3/specs/phase0/validator.md#aggregation-selection
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/validator.md#aggregation-selection
 func get_slot_signature*(
     fork: Fork, genesis_validators_root: Eth2Digest, slot: Slot,
     privkey: ValidatorPrivKey): CookedSig =
@@ -171,7 +171,7 @@ func compute_deposit_signing_root(
     domain = compute_domain(DOMAIN_DEPOSIT, version)
   compute_signing_root(deposit_message, domain)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#deposits
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#deposits
 func get_deposit_signature*(preset: RuntimeConfig,
                             deposit: DepositData,
                             privkey: ValidatorPrivKey): CookedSig =
@@ -392,7 +392,7 @@ proc verify_builder_signature*(
   let signing_root = compute_builder_signing_root(fork, msg)
   blsVerify(pubkey, signing_root.data, signature)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#new-process_bls_to_execution_change
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#new-process_bls_to_execution_change
 func compute_bls_to_execution_change_signing_root*(
     genesisFork: Fork, genesis_validators_root: Eth2Digest,
     msg: BLSToExecutionChange): Eth2Digest =
diff --git a/beacon_chain/spec/state_transition.nim b/beacon_chain/spec/state_transition.nim
index 489731a42..fb9bd2491 100644
--- a/beacon_chain/spec/state_transition.nim
+++ b/beacon_chain/spec/state_transition.nim
@@ -70,7 +70,7 @@ proc verify_block_signature(
 
   ok()
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
 func verifyStateRoot(
     state: ForkyBeaconState,
     blck: ForkyBeaconBlock | ForkySigVerifiedBeaconBlock):
diff --git a/beacon_chain/spec/state_transition_block.nim b/beacon_chain/spec/state_transition_block.nim
index ce15b7a69..8ff70a167 100644
--- a/beacon_chain/spec/state_transition_block.nim
+++ b/beacon_chain/spec/state_transition_block.nim
@@ -361,7 +361,7 @@ proc process_deposit*(
   ok()
 
 # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#voluntary-exits
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.1/specs/deneb/beacon-chain.md#modified-process_voluntary_exit
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/deneb/beacon-chain.md#modified-process_voluntary_exit
 proc check_voluntary_exit*(
     cfg: RuntimeConfig,
     state: ForkyBeaconState,
diff --git a/beacon_chain/spec/state_transition_epoch.nim b/beacon_chain/spec/state_transition_epoch.nim
index f6c748b8f..5f62ea4c1 100644
--- a/beacon_chain/spec/state_transition_epoch.nim
+++ b/beacon_chain/spec/state_transition_epoch.nim
@@ -40,7 +40,7 @@ export extras, phase0, altair
 logScope: topics = "consens"
 
 # Accessors that implement the max condition in `get_total_balance`:
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#get_total_balance
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#get_total_balance
 template current_epoch*(v: TotalBalances): Gwei =
   max(EFFECTIVE_BALANCE_INCREMENT.Gwei, v.current_epoch_raw)
 template previous_epoch*(v: TotalBalances): Gwei =
@@ -806,7 +806,7 @@ iterator get_flag_and_inactivity_deltas*(
       active_increments, penalty_denominator, epoch_participation,
       participating_increments, info, vidx)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-alpha.3/specs/phase0/beacon-chain.md#rewards-and-penalties-1
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#rewards-and-penalties-1
 func process_rewards_and_penalties*(
     state: var phase0.BeaconState, info: var phase0.EpochInfo) =
   # No rewards are applied at the end of `GENESIS_EPOCH` because rewards are
@@ -1166,7 +1166,7 @@ func process_historical_summaries_update*(
 
   ok()
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#epoch-processing
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#epoch-processing
 proc process_epoch*(
     cfg: RuntimeConfig, state: var phase0.BeaconState, flags: UpdateFlags,
     cache: var StateCache, info: var phase0.EpochInfo): Result[void, cstring] =
diff --git a/docs/attestation_flow.md b/docs/attestation_flow.md
index a44d3265c..31c792d37 100644
--- a/docs/attestation_flow.md
+++ b/docs/attestation_flow.md
@@ -7,7 +7,7 @@ This is a WIP document to explain the attestation flows.
 It is important to distinguish attestation `validation` from attestation `verification`.
 - Attestation `validation` is defined in the P2P specs. Validated attestations can be forwarded on GossipSub.
   - Aggregated: https://github.com/ethereum/consensus-specs/blob/v1.4.0-alpha.1/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
-  - Unaggregated: https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
+  - Unaggregated: https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
 - Attestation `verification` is defined in the consensus specs. Verified attestations can affect fork choice and may be included in a block.
   - https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#attestations
 
@@ -51,7 +51,7 @@ These GossipSub topics are used to listen for attestations:
 - Unaggregated: `/eth2/{$forkDigest}/beacon_attestation_{subnetIndex}/ssz_snappy`
 
 The attestations are then validated by `validateAttestation()` or `validateAggregate()` in either `attestationValidator()` or `aggregateValidator()` according to the P2P specs.
-- https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
+- https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
 - https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#attestation-subnets
 
 Finally, valid attestations are added to the local `attestationPool`.
diff --git a/docs/block_flow.md b/docs/block_flow.md
index 96715acec..ec6be43c1 100644
--- a/docs/block_flow.md
+++ b/docs/block_flow.md
@@ -6,7 +6,7 @@ This is a WIP document to explain the beacon block flows.
 
 Important distinction:
 - We distinguish block `validation` which is defined in the P2P specs:
-  https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#beacon_block.
+  https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/p2p-interface.md#beacon_block.
   A validated block can be forwarded on gossipsub.
 - and we distinguish `verification` which is defined in consensus specs:
   https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#block-processing
@@ -115,7 +115,7 @@ Logs:
 
 ### Gossip flow out
 
-- After validation in `blockValidator()` in the Eth2Processor by `validateBeaconBlock()` according to spec https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#beacon_block
+- After validation in `blockValidator()` in the Eth2Processor by `validateBeaconBlock()` according to spec https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/p2p-interface.md#beacon_block
 - Important: P2P validation is not full verification (state transition and internal cryptographic signatures were not checked)
 - We jump into libp2p/protocols/pubsub/pubsub.nim in the method `validate(PubSub, message)`
 - which was called by `rpcHandler(GossipSub, PubSubPeer, RPCMsg)`
diff --git a/tests/consensus_spec/test_fixture_kzg.nim b/tests/consensus_spec/test_fixture_kzg.nim
index c115f0da8..5280a63a0 100644
--- a/tests/consensus_spec/test_fixture_kzg.nim
+++ b/tests/consensus_spec/test_fixture_kzg.nim
@@ -43,7 +43,7 @@ proc runBlobToKzgCommitmentTest(suiteName, suitePath, path: string) =
       output = data["output"]
       blob = fromHex[131072](data["input"]["blob"].getStr)
 
-    # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/tests/formats/kzg/blob_to_kzg_commitment.md#condition
+    # https://github.com/ethereum/consensus-specs/blob/v1.4.0/tests/formats/kzg/blob_to_kzg_commitment.md#condition
     # If the blob is invalid (e.g. incorrect length or one of the 32-byte
     # blocks does not represent a BLS field element) it should error, i.e. the
     # output should be `null`.
@@ -143,7 +143,7 @@ proc runComputeKzgProofTest(suiteName, suitePath, path: string) =
       blob = fromHex[131072](data["input"]["blob"].getStr)
       z = fromHex[32](data["input"]["z"].getStr)
 
-    # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/tests/formats/kzg/compute_kzg_proof.md#condition
+    # https://github.com/ethereum/consensus-specs/blob/v1.4.0/tests/formats/kzg/compute_kzg_proof.md#condition
     # "If the blob is invalid (e.g. incorrect length or one of the 32-byte
     # blocks does not represent a BLS field element) or z is not a valid BLS
     # field element, it should error, i.e. the output should be null."
@@ -227,4 +227,4 @@ suite suiteName:
     for kind, path in walkDir(testsDir, relative = true, checkDir = true):
       runComputeBlobKzgProofTest(suiteName, testsDir, testsDir / path)
 
-doAssert Kzg.freeTrustedSetup().isOk
+doAssert Kzg.freeTrustedSetup().isOk
\ No newline at end of file