diff --git a/build.gradle b/build.gradle
index abd10e2..2ffabc4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,6 +3,9 @@ plugins {
 	id 'com.github.johnrengelman.shadow' version '7.0.0'
 }
 
+sourceCompatibility = '1.11' //comment to poke gitlab CI
+targetCompatibility = '1.11'
+
 compileJava {
 	// Suppress warnings about internal api usage - https://stackoverflow.com/a/19553686/6238618
 	options.fork = true