diff --git a/java/ql/integration-tests/kotlin/all-platforms/compiler_arguments/app/build.gradle b/java/ql/integration-tests/kotlin/all-platforms/compiler_arguments/app/build.gradle
index c0bc3340524..8b91012467e 100644
--- a/java/ql/integration-tests/kotlin/all-platforms/compiler_arguments/app/build.gradle
+++ b/java/ql/integration-tests/kotlin/all-platforms/compiler_arguments/app/build.gradle
@@ -8,7 +8,7 @@
 
 plugins {
     // Apply the org.jetbrains.kotlin.jvm Plugin to add support for Kotlin.
-    id 'org.jetbrains.kotlin.jvm' version '1.7.0'
+    id 'org.jetbrains.kotlin.jvm' version '1.8.0'
 
     // Apply the application plugin to add support for building a CLI application in Java.
     id 'application'
diff --git a/java/ql/integration-tests/kotlin/all-platforms/gradle_groovy_app/app/build.gradle b/java/ql/integration-tests/kotlin/all-platforms/gradle_groovy_app/app/build.gradle
index 8ef1009376c..8b91012467e 100644
--- a/java/ql/integration-tests/kotlin/all-platforms/gradle_groovy_app/app/build.gradle
+++ b/java/ql/integration-tests/kotlin/all-platforms/gradle_groovy_app/app/build.gradle
@@ -8,7 +8,7 @@
 
 plugins {
     // Apply the org.jetbrains.kotlin.jvm Plugin to add support for Kotlin.
-    id 'org.jetbrains.kotlin.jvm' version '1.6.0'
+    id 'org.jetbrains.kotlin.jvm' version '1.8.0'
 
     // Apply the application plugin to add support for building a CLI application in Java.
     id 'application'
diff --git a/java/ql/integration-tests/kotlin/all-platforms/kotlin_kfunction/app/build.gradle b/java/ql/integration-tests/kotlin/all-platforms/kotlin_kfunction/app/build.gradle
index 924524190cf..8b91012467e 100644
--- a/java/ql/integration-tests/kotlin/all-platforms/kotlin_kfunction/app/build.gradle
+++ b/java/ql/integration-tests/kotlin/all-platforms/kotlin_kfunction/app/build.gradle
@@ -8,7 +8,7 @@
 
 plugins {
     // Apply the org.jetbrains.kotlin.jvm Plugin to add support for Kotlin.
-    id 'org.jetbrains.kotlin.jvm' version '1.6.20'
+    id 'org.jetbrains.kotlin.jvm' version '1.8.0'
 
     // Apply the application plugin to add support for building a CLI application in Java.
     id 'application'