diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 ## [Unreleased]
 
+## 0.9.0.2 — 2026-10-16
+
+### Changed
+
+- Admit `mori://shinzui/baikai/packages/baikai` 0.8 alongside 0.7 so the shared
+  Rei-family cohort can select the released pricing and subprocess-cleanup update.
+  No Kioku API or migration change.
+
 ## 0.9.0.1 — 2026-10-14
 
 ### Changed
diff --git a/kioku-core.cabal b/kioku-core.cabal
--- a/kioku-core.cabal
+++ b/kioku-core.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: kioku-core
-version: 0.9.0.1
+version: 0.9.0.2
 synopsis: Reusable agent memory runtime
 description:
   Core runtime for kioku. M1 establishes the application effect stack; later
@@ -112,7 +112,7 @@
   ghc-prof-options: -fno-opt-coercion
   build-depends:
     aeson >=2.2 && <2.3,
-    baikai ^>=0.7.0.0,
+    baikai >=0.7.0.0 && <0.9,
     baikai-claude ^>=0.7.0.0,
     baikai-effectful ^>=0.4.0.1,
     baikai-openai ^>=0.7.0.0,
@@ -134,7 +134,7 @@
     keiki ^>=0.9.1.0,
     keiro ^>=0.21.0.0,
     keiro-core ^>=0.21.0.0,
-    kioku-api ^>=0.9.0.1,
+    kioku-api ^>=0.9.0.2,
     kiroku-store ^>=0.11.0.0,
     lens >=5.2 && <5.4,
     mmzk-typeid >=0.7 && <0.8,
@@ -187,7 +187,7 @@
   build-depends:
     aeson >=2.2,
     async >=2.2 && <2.3,
-    baikai ^>=0.7.0.0,
+    baikai >=0.7.0.0 && <0.9,
     base >=4.21 && <5,
     bytestring >=0.11,
     containers >=0.6,
@@ -201,9 +201,9 @@
     hasql-transaction >=1.0,
     keiro ^>=0.21.0.0,
     keiro-core ^>=0.21.0.0,
-    kioku-api ^>=0.9.0.1,
-    kioku-core ^>=0.9.0.1,
-    kioku-migrations:test-support ^>=0.9.0.1,
+    kioku-api ^>=0.9.0.2,
+    kioku-core ^>=0.9.0.2,
+    kioku-migrations:test-support ^>=0.9.0.2,
     kiroku-store ^>=0.11.0.0,
     lens >=5.2,
     shibuya-core ^>=0.10.0.1,
