diff --git a/build.gradle.kts b/build.gradle.kts
index 09f5c907e..fb8f011d2 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -18,6 +18,7 @@ allprojects {
     tasks.withType<JavaCompile> {
         options.compilerArgs.add("-Xlint:unchecked")
         options.isDeprecation = true
+        options.release.set(8)
     }
 }