diff --git a/Dockerfile b/Dockerfile
index 35cc02f..828c663 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM alpine:3.12 as builder
+FROM alpine:3.13 as builder
 
-ENV VERSION=v0.9.0
+ENV VERSION=6accb530c62d3eec34bd549e42e927d5e092e493
 
 RUN apk --no-cache add \
     gcc \