diff --git a/buildSrc/src/main/kotlin/profiler.java-library.gradle.kts b/buildSrc/src/main/kotlin/profiler.java-library.gradle.kts
index e16ab957..3f345029 100644
--- a/buildSrc/src/main/kotlin/profiler.java-library.gradle.kts
+++ b/buildSrc/src/main/kotlin/profiler.java-library.gradle.kts
@@ -18,7 +18,7 @@ repositories {
 
 java {
     toolchain {
-        languageVersion.set(JavaLanguageVersion.of(8))
+        languageVersion.set(JavaLanguageVersion.of(11))
     }
 }