diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7c7938d..7e5bc19b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,16 @@
 
 ### Thank you to all our wonderful contributors and users
 
+## [5.1.0-alpha09] (2026-06-10)
+
+**Bug Fixes**
+
+* Fix RealMutableStore write-queue data race (inverted lock polarity) [#735](https://github.com/MobileNativeFoundation/Store/pull/735)
+
+**Improvements**
+
+* Fix CI checkout and coverage upload for fork PRs [#737](https://github.com/MobileNativeFoundation/Store/pull/737)
+
 ## [5.1.0-alpha08] (2026-01-11)
 
 **Bug Fixes**
@@ -369,7 +379,9 @@ This is a first alpha release of Store ported to RxJava 2.
 * The change log for Store version 1.x can be
   found [here](https://github.com/NYTimes/Store/blob/develop/CHANGELOG.md).
 
-[Unreleased]: https://github.com/MobileNativeFoundation/Store/compare/5.1.0-alpha08...HEAD
+[Unreleased]: https://github.com/MobileNativeFoundation/Store/compare/5.1.0-alpha09...HEAD
+
+[5.1.0-alpha09]: https://github.com/MobileNativeFoundation/Store/releases/tag/5.1.0-alpha09
 
 [5.1.0-alpha08]: https://github.com/MobileNativeFoundation/Store/releases/tag/5.1.0-alpha08
 
diff --git a/gradle.properties b/gradle.properties
index 8e82db2b..e91f8ac4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,7 +8,7 @@ org.gradle.jvmargs=-XX:MaxMetaspaceSize=2G
 
 # POM file
 GROUP=org.mobilenativefoundation.store
-VERSION_NAME=5.1.0-SNAPSHOT
+VERSION_NAME=5.1.0-alpha09
 POM_PACKAGING=pom
 POM_DESCRIPTION = Store5 is a Kotlin Multiplatform network-resilient repository layer
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c25728fb..9a7aef8e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -21,7 +21,7 @@ testCore = "1.6.1"
 kmmBridge = "0.3.2"
 ktlint = "0.39.0"
 kover = "0.9.0-RC"
-store = "5.1.0-alpha08"
+store = "5.1.0-alpha09"
 truth = "1.1.3"
 turbine = "1.2.0"
 binary-compatibility-validator = "0.15.0-Beta.2"
diff --git a/tooling/plugins/src/main/kotlin/org/mobilenativefoundation/store/tooling/plugins/KotlinMultiplatformConventionPlugin.kt b/tooling/plugins/src/main/kotlin/org/mobilenativefoundation/store/tooling/plugins/KotlinMultiplatformConventionPlugin.kt
index 38c16530..4f8c59e1 100644
--- a/tooling/plugins/src/main/kotlin/org/mobilenativefoundation/store/tooling/plugins/KotlinMultiplatformConventionPlugin.kt
+++ b/tooling/plugins/src/main/kotlin/org/mobilenativefoundation/store/tooling/plugins/KotlinMultiplatformConventionPlugin.kt
@@ -175,7 +175,7 @@ object Versions {
     const val COMPILE_SDK = 34
     const val MIN_SDK = 24
     const val TARGET_SDK = 34
-    const val STORE = "5.1.0-alpha08"
+    const val STORE = "5.1.0-alpha09"
 }