diff --git a/Dockerfile b/Dockerfile
index ddcd0d1..2b401d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ WORKDIR /app
 
 # download artifacts
 COPY pom.xml .
+COPY assembly.xml .
 RUN mvn dependency:resolve
 RUN mvn verify
 RUN mvn compiler:help