diff --git a/build.gradle.kts b/build.gradle.kts
index 68b6d86224..011e1cf580 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -114,7 +114,13 @@ tasks.withType<GenerateModuleMetadata> {
 signing {
     val signingKey: String? by project
     val signingPassword: String? by project
+
     useInMemoryPgpKeys(signingKey, signingPassword)
+
+    setRequired({
+        gradle.taskGraph.hasTask("publish")
+    })
+
     sign(publishing.publications["maven"])
 }
 
diff --git a/jitpack.yml b/jitpack.yml
new file mode 100644
index 0000000000..adb3fe10c8
--- /dev/null
+++ b/jitpack.yml
@@ -0,0 +1,2 @@
+jdk:
+  - openjdk11