diff --git a/.test/build.gradle.kts b/.test/build.gradle.kts
index e2bf5898..60073581 100644
--- a/.test/build.gradle.kts
+++ b/.test/build.gradle.kts
@@ -15,7 +15,7 @@ repositories {
 dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter:5.12.2")
     testImplementation("org.amshove.kluent:kluent:1.73")
-    testImplementation("org.jetbrains.kotlin:kotlin-compiler:1.9.25")
+    testImplementation("org.jetbrains.kotlin:kotlin-compiler:2.1.21")
 }
 
 tasks.test {
diff --git a/.test/buildSrc/build.gradle.kts b/.test/buildSrc/build.gradle.kts
index f57619a2..50356dc3 100644
--- a/.test/buildSrc/build.gradle.kts
+++ b/.test/buildSrc/build.gradle.kts
@@ -9,5 +9,5 @@ repositories {
 
 
 dependencies {
-    implementation("org.jetbrains.kotlin:kotlin-compiler:1.9.25")
+    implementation("org.jetbrains.kotlin:kotlin-compiler:2.1.21")
 }