diff --git a/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module1/build.gradle.kts b/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module1/build.gradle.kts
index 7721d29a..1e5c26c2 100644
--- a/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module1/build.gradle.kts
+++ b/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module1/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    kotlin("jvm") version "2.3.21"
+    kotlin("jvm") version "2.4.0"
     `jvm-test-suite`
 }
 
diff --git a/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module2/build.gradle.kts b/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module2/build.gradle.kts
index b34c9871..d5d06b86 100644
--- a/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module2/build.gradle.kts
+++ b/delta-coverage-gradle/src/functionalTest/resources/multi-module-test-project/module2/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    kotlin("jvm") version "2.3.21"
+    kotlin("jvm") version "2.4.0"
     `jvm-test-suite`
 }
 
diff --git a/delta-coverage-gradle/src/functionalTest/resources/single-module-test-project/build.gradle.kts b/delta-coverage-gradle/src/functionalTest/resources/single-module-test-project/build.gradle.kts
index 70806533..e7acc1b3 100644
--- a/delta-coverage-gradle/src/functionalTest/resources/single-module-test-project/build.gradle.kts
+++ b/delta-coverage-gradle/src/functionalTest/resources/single-module-test-project/build.gradle.kts
@@ -4,7 +4,7 @@ import io.github.surpsg.deltacoverage.gradle.CoverageEntity.*
 
 plugins {
     java
-    kotlin("jvm") version "2.3.21"
+    kotlin("jvm") version "2.4.0"
     id("io.github.gw-kit.delta-coverage")
     // {EXTRA_PLUGINS_PLACEHOLDER}
 }
diff --git a/gradle/deps.versions.toml b/gradle/deps.versions.toml
index 21cde396..02dfe5ee 100644
--- a/gradle/deps.versions.toml
+++ b/gradle/deps.versions.toml
@@ -8,7 +8,7 @@ jacksonVer = "2.22.0"
 slf4jVer = "2.0.18"
 logbackVer = "1.5.34"
 
-kotlinVer = "2.3.21"
+kotlinVer = "2.4.0"
 junitVer = "6.1.0"
 mockkVer = "1.14.11"
 kotestVer = "6.1.1"