diff --git a/example-data/kover-gradle/build.gradle b/example-data/kover-gradle/build.gradle
index 9c0c88792..7951bdbcf 100644
--- a/example-data/kover-gradle/build.gradle
+++ b/example-data/kover-gradle/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.10"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.21"
         classpath "org.jlleitschuh.gradle:ktlint-gradle:11.5.1"
     }
 }
diff --git a/example-data/kover-gradle/gradle.properties b/example-data/kover-gradle/gradle.properties
index 0cc80f924..5a45a796d 100644
--- a/example-data/kover-gradle/gradle.properties
+++ b/example-data/kover-gradle/gradle.properties
@@ -1,4 +1,4 @@
-kotlin_version=1.9.10
+kotlin_version=1.9.21
 kotest_version=5.6.2
 strikt_version=0.34.1
 wiremockVersion=2.32.0
diff --git a/gradle.properties b/gradle.properties
index 5c0ddf772..57118f696 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-kotlin_version=1.9.10
+kotlin_version=1.9.21
 kotest_version=5.7.2
 spockVersion=2.3-groovy-3.0
 strikt_version=0.34.1