diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Revision history for pgmq-core
 
+## 0.4.0.1 -- 2026-07-14
+
+* Version bump only — coordinated release with pgmq-migration 0.4.0.1.
+  No source-level changes since 0.4.0.0.
+
 ## 0.4.0.0 -- 2026-07-14
 
 * Version bump only — coordinated release with pgmq-migration 0.4.0.0.
diff --git a/pgmq-core.cabal b/pgmq-core.cabal
--- a/pgmq-core.cabal
+++ b/pgmq-core.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.4
 name:            pgmq-core
-version:         0.4.0.0
+version:         0.4.0.1
 synopsis:        Core types for pgmq-hs, a Haskell client for PGMQ
 description:
   Core types and type classes for pgmq-hs, a Haskell client library