diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 0.5.1.5 — 2026-09-25
+
+### Other Changes
+
+* Require `kiroku-store ^>=0.9.0.1` so adapter consumers receive the idle
+  publisher retention fix. The adapter API and behavior are unchanged.
+
 ## 0.5.1.4 — 2026-09-25
 
 ### Other Changes
diff --git a/shibuya-kiroku-adapter.cabal b/shibuya-kiroku-adapter.cabal
--- a/shibuya-kiroku-adapter.cabal
+++ b/shibuya-kiroku-adapter.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.0
 name:            shibuya-kiroku-adapter
-version:         0.5.1.4
+version:         0.5.1.5
 synopsis:
   Kiroku event store adapter for the Shibuya queue processing framework
 
@@ -59,19 +59,19 @@
     Shibuya.Adapter.Kiroku.Convert
 
   build-depends:
-    , aeson                                  >=2.1   && <2.3
-    , base                                   >=4.18  && <5
-    , effectful-core                         >=2.6.1 && <2.7  || >=2.7.1.1 && <2.8
+    , aeson                                  >=2.1      && <2.3
+    , base                                   >=4.18     && <5
+    , effectful-core                         >=2.6.1    && <2.7  || >=2.7.1.1 && <2.8
     , hs-opentelemetry-api                   ^>=1.0
     , hs-opentelemetry-semantic-conventions  ^>=1.40
-    , kiroku-store                           ^>=0.9
-    , shibuya-core                           >=0.10  && <0.11
+    , kiroku-store                           ^>=0.9.0.1
+    , shibuya-core                           >=0.10     && <0.11
     , shibuya-kiroku-adapter-internal
-    , stm                                    >=2.5   && <2.6
-    , streamly-core                          >=0.3   && <0.4
-    , text                                   >=2.0   && <2.2
-    , unordered-containers                   >=0.2   && <0.3
-    , uuid                                   >=1.3   && <1.4
+    , stm                                    >=2.5      && <2.6
+    , streamly-core                          >=0.3      && <0.4
+    , text                                   >=2.0      && <2.2
+    , unordered-containers                   >=0.2      && <0.3
+    , uuid                                   >=1.3      && <1.4
 
   hs-source-dirs:  src
 
@@ -94,7 +94,7 @@
     , hasql-pool                       >=1.2      && <1.5
     , hs-opentelemetry-api             ^>=1.0
     , hspec                            >=2.10     && <2.12
-    , kiroku-store                     ^>=0.9
+    , kiroku-store                     ^>=0.9.0.1
     , kiroku-test-support              ^>=0.1.0.0
     , lens                             >=5.2      && <5.4
     , shibuya-core                     >=0.10     && <0.11
@@ -128,7 +128,7 @@
     , containers              >=0.6      && <0.8
     , effectful-core          >=2.6.1    && <2.7  || >=2.7.1.1 && <2.8
     , ephemeral-pg            >=0.3.1    && <0.4
-    , kiroku-store            ^>=0.9
+    , kiroku-store            ^>=0.9.0.1
     , kiroku-test-support     ^>=0.1.0.0
     , shibuya-core            >=0.10     && <0.11
     , shibuya-kiroku-adapter