diff --git a/docker/Dockerfile b/docker/Dockerfile
index 8c0219c..820c007 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,5 @@
 FROM openjdk:17-slim
 
-COPY target/labyrinth-server-*.jar /app/app.jar
+COPY target/labyrinth-server-*[!sources].jar /app/app.jar
 
 CMD java -Dfritteli.labyrinth.server.host=0.0.0.0 -Dfritteli.labyrinth.server.port=80 -jar /app/app.jar