diff --git a/CHANGELOG.md b/CHANGELOG.md
index e26159532..aad2db282 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,54 @@
+2024-05-23 v24.5.1
+==================
+
+Nimbus `v24.5.1` is a `low-urgency` release with stability, performance, and beacon and builder API improvements.
+
+### Improvements
+
+* Enable IPv6 for Discovery v5 protocol:
+  https://github.com/status-im/nimbus-eth2/pull/6242
+
+### Fixes
+
+* Fix potential crash on slow libp2p sending:
+  https://github.com/status-im/nimbus-eth2/pull/6280
+
+* Fix `publishBlockV2` to correctly verify block signature:
+  https://github.com/status-im/nimbus-eth2/pull/6261
+
+* Fix `submitBlindedBlock` to include `Eth-Consensus-Version` header:
+  https://github.com/status-im/nimbus-eth2/pull/6256
+
+* Fix `getAggregatedAttestation` 404 handling in Nimbus VC:
+  https://github.com/status-im/nimbus-eth2/pull/6254
+
+2024-05-23 v24.5.0
+==================
+
+Nimbus `v24.5.0` is a `low-urgency` release with stability, performance, and beacon and builder API improvements.
+
+### Improvements
+
+* Improve SHA256 protocol object hashing speed by 30%:
+  https://github.com/status-im/nimbus-eth2/pull/5188
+
+* Enable IPv6 for Discovery v5 protocol:
+  https://github.com/status-im/nimbus-eth2/pull/6242
+
+### Fixes
+
+* Fix potential crash on slow libp2p sending:
+  https://github.com/status-im/nimbus-eth2/pull/6280
+
+* Fix `publishBlockV2` to correctly verify block signature:
+  https://github.com/status-im/nimbus-eth2/pull/6261
+
+* Fix `submitBlindedBlock` to include `Eth-Consensus-Version` header:
+  https://github.com/status-im/nimbus-eth2/pull/6256
+
+* Fix `getAggregatedAttestation` 404 handling in Nimbus VC:
+  https://github.com/status-im/nimbus-eth2/pull/6254
+
 2024-04-29 v24.4.0
 ==================
 
diff --git a/beacon_chain/version.nim b/beacon_chain/version.nim
index 7e1f4a14f..8cae95c1f 100644
--- a/beacon_chain/version.nim
+++ b/beacon_chain/version.nim
@@ -18,8 +18,8 @@ const
     "Copyright (c) 2019-" & compileYear & " Status Research & Development GmbH"
 
   versionMajor* = 24
-  versionMinor* = 4
-  versionBuild* = 0
+  versionMinor* = 5
+  versionBuild* = 1
 
   versionBlob* = "stateofus" # Single word - ends up in the default graffiti
 
diff --git a/vendor/nim-ssz-serialization b/vendor/nim-ssz-serialization
index ea28231c2..248f2bdca 160000
--- a/vendor/nim-ssz-serialization
+++ b/vendor/nim-ssz-serialization
@@ -1 +1 @@
-Subproject commit ea28231c2367cf3311a1f9bbcb35059501fc13f9
+Subproject commit 248f2bdca2d65ff920920c72b764d0622d522596