diff --git a/AllTests-mainnet.md b/AllTests-mainnet.md
index f7c533f7f..247c19d2f 100644
--- a/AllTests-mainnet.md
+++ b/AllTests-mainnet.md
@@ -116,7 +116,7 @@ OK: 3/3 Fail: 0/3 Skip: 0/3
 + DOMAIN_VOLUNTARY_EXIT                             "0x04000000"         [Preset: mainnet]   OK
 + EFFECTIVE_BALANCE_INCREMENT                       1000000000           [Preset: mainnet]   OK
 + EJECTION_BALANCE                                  16000000000          [Preset: mainnet]   OK
-+ EPOCHS_PER_ETH1_VOTING_PERIOD                     32                   [Preset: mainnet]   OK
++ EPOCHS_PER_ETH1_VOTING_PERIOD                     64                   [Preset: mainnet]   OK
 + EPOCHS_PER_HISTORICAL_VECTOR                      65536                [Preset: mainnet]   OK
 + EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION             256                  [Preset: mainnet]   OK
 + EPOCHS_PER_SLASHINGS_VECTOR                       8192                 [Preset: mainnet]   OK
diff --git a/Makefile b/Makefile
index ee780f50d..4f3290776 100644
--- a/Makefile
+++ b/Makefile
@@ -309,6 +309,27 @@ medalla-deposit: | nimbus_beacon_node_spec_0_12_3 nimbus_signing_process deposit
 clean-medalla:
 	$(call CLEAN_NETWORK,medalla)
 
+###
+### toledo
+###
+# https://www.gnu.org/software/make/manual/html_node/Call-Function.html#Call-Function
+toledo: | nimbus_beacon_node nimbus_signing_process
+	$(call CONNECT_TO_NETWORK,toledo,nimbus_beacon_node)
+
+toledo-vc: | nimbus_beacon_node nimbus_signing_process nimbus_validator_client
+	$(call CONNECT_TO_NETWORK_WITH_VALIDATOR_CLIENT,toledo,nimbus_beacon_node)
+
+ifneq ($(LOG_LEVEL), TRACE)
+toledo-dev:
+	+ "$(MAKE)" LOG_LEVEL=TRACE $@
+else
+toledo-dev: | nimbus_beacon_node nimbus_signing_process
+	$(call CONNECT_TO_NETWORK_IN_DEV_MODE,toledo,nimbus_beacon_node)
+endif
+
+clean-toledo:
+	$(call CLEAN_NETWORK,toledo)
+
 ctail: | build deps
 	mkdir -p vendor/.nimble/bin/
 	$(ENV_SCRIPT) nim -d:danger -o:vendor/.nimble/bin/ctail c vendor/nim-chronicles-tail/ctail.nim
diff --git a/beacon_chain/network_metadata.nim b/beacon_chain/network_metadata.nim
index e5e65b23f..a467b5ddb 100644
--- a/beacon_chain/network_metadata.nim
+++ b/beacon_chain/network_metadata.nim
@@ -167,6 +167,7 @@ template eth2testnet(path: string): Eth2NetworkMetadata =
 
 const
   medallaMetadata* = eth2testnet "shared/medalla"
+  toledoMetadata* = eth2testnet "shared/toledo"
   testnet0Metadata* = eth2testnet "nimbus/testnet0"
   testnet1Metadata* = eth2testnet "nimbus/testnet1"
 
@@ -179,6 +180,8 @@ proc getMetadataForNetwork*(networkName: string): Eth2NetworkMetadata =
         mainnetMetadata
       of "medalla":
         medallaMetadata
+      of "toledo":
+        toledoMetadata
       of "testnet0":
         testnet0Metadata
       of "testnet1":
diff --git a/beacon_chain/spec/presets.nim b/beacon_chain/spec/presets.nim
index 6d8021f6e..010c3b9e9 100644
--- a/beacon_chain/spec/presets.nim
+++ b/beacon_chain/spec/presets.nim
@@ -122,7 +122,7 @@ proc readPresetFile*(path: string): PresetFile
 
   result.missingValues = PresetValue.entireSet - presetValues
 
-const ETH2_SPEC* {.strdefine.} = "v0.12.3"
+const ETH2_SPEC* {.strdefine.} = "v1.0.0"
 static: doAssert: ETH2_SPEC == "v0.12.3" or ETH2_SPEC == "v1.0.0"
 
 when ETH2_SPEC == "v0.12.3":
diff --git a/vendor/eth2-testnets b/vendor/eth2-testnets
index 7f63f72e4..290f68b36 160000
--- a/vendor/eth2-testnets
+++ b/vendor/eth2-testnets
@@ -1 +1 @@
-Subproject commit 7f63f72e46a8c5932c802931cefbe2683bb5e5e6
+Subproject commit 290f68b3601d0cb66529376243b30a90bae318e2