diff --git a/Dockerfile b/Dockerfile
index d1e979c..582ae1b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.19
 
 LABEL authors="Arnd Plumhoff <plumhoff@email.uni-kiel.de>, Sascha Hoppe <sho@informatik.uni-kiel.de>"