diff --git a/Dockerfile b/Dockerfile
index 5c1ecda..980bbda 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
 FROM debian:10-slim
-RUN apt-get update && apt-get -y install cowsay && apt-get clean
+RUN apt-get update && apt-get -y install cowsay procps && apt-get clean
 CMD ["/usr/games/cowsay", "Hej alla! Docker fungerar!"]