diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index 6e47cd30..11cfd422 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -4,7 +4,7 @@ plugins {
     id "groovy"
 }
 
-sourceCompatibility = JavaVersion.VERSION_17
+sourceCompatibility = JavaVersion.VERSION_11
 
 repositories {
     jcenter()