diff --git a/Dockerfile b/Dockerfile
index 2ac6b12..29580ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,9 @@ LABEL org.opencontainers.image.documentation="https://gitea.ocram85.com/CodeServ
 
 RUN \
   echo "**** install starship prompt ****" && \
-  curl -sS https://starship.rs/install.sh | sh -s && \
+  curl -sS -o /tmp/install.sh https://starship.rs/install.sh && \
+  /tmp/install.sh && \
+  rm -f /tmp/install.sh && \
   echo "eval \"\$(starship init bash)\"" >> /etc/bash.bashrc
 
 ENV STARSHIP_CONFIG=/etc/starship.toml