diff --git a/Dockerfile b/Dockerfile
index a080845..3f2a464 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Base on latest (edge) alpine image
-FROM harbor.ervine.dev/public/x86_64/alpine:v3.13.3:v3.13.3
+FROM harbor.ervine.dev/public/x86_64/alpine:v3.13.3
 
 LABEL maintainer="Jonathan Ervine docker@ervine.org"