diff --git a/Dockerfile b/Dockerfile
index 43adeb5..bf2f9c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM appleboy/drone-ssh:latest
+FROM appleboy/drone-ssh:1.5.5-linux-amd64
 
 ADD entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh