diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0976dfbe..109347c47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-2022-10-13 v22.10.1
+2022-10-14 v22.10.1
 ===================
 
 Nimbus `v22.10.1` is a `low-urgency` point release introducing support for the official light client REST API and improving the stability of Nimbus when paired with an external block builder.
@@ -13,11 +13,10 @@ Nimbus `v22.10.1` is a `low-urgency` point release introducing support for the o
 ### Fixes:
 
 * Nimbus was slowly leaking file descriptors when paired with an external builder:
-https://github.com/status-im/nim-chronos/pull/323
+  https://github.com/status-im/nimbus-eth2/pull/4235
 
-
-* Nimbus could potentially crash under a poor network connectivity to an external builder:
-https://github.com/status-im/nimbus-eth2/pull/4222
+* Nimbus could potentially crash under a poor network connectivity to the external builder:
+  https://github.com/status-im/nimbus-eth2/pull/4222
 
 
 2022-10-03 v22.10.0
diff --git a/beacon_chain/nimbus_beacon_node.nim b/beacon_chain/nimbus_beacon_node.nim
index 023dd2f6b..d345e1b2c 100644
--- a/beacon_chain/nimbus_beacon_node.nim
+++ b/beacon_chain/nimbus_beacon_node.nim
@@ -710,9 +710,7 @@ proc init*(T: type BeaconNode,
 
   let payloadBuilderRestClient =
     if config.payloadBuilderEnable:
-      RestClientRef.new(
-          config.payloadBuilderUrl,
-          httpFlags = {HttpClientFlag.NewConnectionAlways}).valueOr:
+      RestClientRef.new(config.payloadBuilderUrl).valueOr:
         warn "Payload builder REST client setup failed",
           payloadBuilderUrl = config.payloadBuilderUrl
         nil
diff --git a/beacon_chain/spec/mev/rest_bellatrix_mev_calls.nim b/beacon_chain/spec/mev/rest_bellatrix_mev_calls.nim
index e582f58f6..ed5a1dffe 100644
--- a/beacon_chain/spec/mev/rest_bellatrix_mev_calls.nim
+++ b/beacon_chain/spec/mev/rest_bellatrix_mev_calls.nim
@@ -18,7 +18,7 @@ export chronos, client, rest_types, eth2_rest_serialization
 proc registerValidator*(body: seq[SignedValidatorRegistrationV1]
                        ): RestPlainResponse {.
      rest, endpoint: "/eth/v1/builder/validators",
-     meth: MethodPost.}
+     meth: MethodPost, connection: {Dedicated, Close}.}
   ## https://github.com/ethereum/builder-specs/blob/v0.2.0/apis/builder/validators.yaml
   ## https://github.com/ethereum/beacon-APIs/blob/master/apis/validator/register_validator.yaml
 
@@ -27,16 +27,16 @@ proc getHeader*(slot: Slot,
                 pubkey: ValidatorPubKey
                ): RestResponse[GetHeaderResponse] {.
      rest, endpoint: "/eth/v1/builder/header/{slot}/{parent_hash}/{pubkey}",
-     meth: MethodGet.}
+     meth: MethodGet, connection: {Dedicated, Close}.}
   ## https://github.com/ethereum/builder-specs/blob/v0.2.0/apis/builder/header.yaml
 
 proc submitBlindedBlock*(body: SignedBlindedBeaconBlock
                         ): RestResponse[SubmitBlindedBlockResponse] {.
      rest, endpoint: "/eth/v1/builder/blinded_blocks",
-     meth: MethodPost.}
+     meth: MethodPost, connection: {Dedicated, Close}.}
   ## https://github.com/ethereum/builder-specs/blob/v0.2.0/apis/builder/blinded_blocks.yaml
 
 proc checkBuilderStatus*(): RestPlainResponse {.
      rest, endpoint: "/eth/v1/builder/status",
-     meth: MethodGet.}
+     meth: MethodGet, connection: {Dedicated, Close}.}
   ## https://github.com/ethereum/builder-specs/blob/v0.2.0/apis/builder/status.yaml
diff --git a/vendor/nim-presto b/vendor/nim-presto
index 545849eeb..8bc34dd6f 160000
--- a/vendor/nim-presto
+++ b/vendor/nim-presto
@@ -1 +1 @@
-Subproject commit 545849eebe62f1e0c747d93ea330562be6d44455
+Subproject commit 8bc34dd6f60b6bfe22049323100355671e4137a2