diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 ## [Unreleased]
 
+## 0.9.0.1 — 2026-10-14
+
+### Changed
+
+- Align the shared release version and test dependency at 0.9.0.1; wire types and API
+  behavior are unchanged.
+
 ## 0.9.0.0 — 2026-10-12
 
 ### Changed
diff --git a/kioku-api.cabal b/kioku-api.cabal
--- a/kioku-api.cabal
+++ b/kioku-api.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: kioku-api
-version: 0.9.0.0
+version: 0.9.0.1
 synopsis: Reusable agent memory wire types
 description:
   Wire contract for kioku: custom prelude, TypeID identifiers, memory
@@ -87,7 +87,7 @@
     base >=4.21 && <5,
     bytestring >=0.11 && <0.13,
     containers >=0.6 && <0.8,
-    kioku-api ^>=0.9.0.0,
+    kioku-api ^>=0.9.0.1,
     tasty >=1.5 && <1.6,
     tasty-hunit >=0.10 && <0.11,
     text >=2.1 && <2.2,