diff --git a/shared.gradle b/shared.gradle
index 76062ad..8d20f5f 100644
--- a/shared.gradle
+++ b/shared.gradle
@@ -54,6 +54,7 @@
 
 jar {
     from sourceSets.main.allSource
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
 }
 
 license {