diff --git a/compile-kotlin-test/build.gradle b/compile-kotlin-test/build.gradle
index a278e99..1dc226d 100644
--- a/compile-kotlin-test/build.gradle
+++ b/compile-kotlin-test/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
     dependencies {
         classpath "org.domaframework.doma:compile"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.22"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.25"
     }
 }
 
diff --git a/compile-mix-test/build.gradle b/compile-mix-test/build.gradle
index be263bb..b6c2d03 100644
--- a/compile-mix-test/build.gradle
+++ b/compile-mix-test/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
     dependencies {
         classpath "org.domaframework.doma:compile"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.22"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.25"
     }
 }