diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Revision history for pgmq-hasql
 
+## 0.3.0.0 -- 2026-05-31
+
+* Version bump only — coordinated release with pgmq-effectful 0.3.0.0.
+  No source-level changes since 0.2.0.0.
+* Bumped `pgmq-core` dependency bound to `>=0.3 && <0.4`.
+
 ## 0.2.0.0 -- 2026-04-23
 
 * Version bump only — coordinated release with pgmq-effectful 0.2.0.0.
diff --git a/pgmq-hasql.cabal b/pgmq-hasql.cabal
--- a/pgmq-hasql.cabal
+++ b/pgmq-hasql.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.4
 name:            pgmq-hasql
-version:         0.2.0.0
+version:         0.3.0.0
 synopsis:        Hasql-based client for PGMQ (PostgreSQL Message Queue)
 description:
   A Haskell client library for PGMQ (PostgreSQL Message Queue) built
@@ -57,7 +57,7 @@
     , hasql              ^>=1.10
     , hasql-transaction  ^>=1.2
     , lens               ^>=5.3
-    , pgmq-core          >=0.2   && <0.3
+    , pgmq-core          >=0.3   && <0.4
     , template-haskell   >=2.20  && <3
     , text               ^>=2.1
     , time               ^>=1.14