diff --git a/build.gradle b/build.gradle
index d156ea3..6a1c501 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,11 +27,12 @@
 
 // make a fat JAR
 task dist(type: Jar) {
+	project.configurations.implementation.setCanBeResolved(true)
 	manifest.from jar.manifest
 	baseName = 'jrex'
 
 	from {
-		configurations.runtime.collect {
+		configurations.implementation.collect {
 			it.isDirectory() ? it : zipTree(it)
 		}
 	}
@@ -40,3 +41,8 @@
 
 	with jar
 }
+
+compileJava {
+    sourceCompatibility = '1.8'
+    targetCompatibility = '1.8'
+}
\ No newline at end of file