diff --git a/Dockerfile b/Dockerfile
index 370c8eb..a685d8c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.10 AS builder
 
-ENV VERSION=1.2.1
+ENV VERSION=1.3.1
 
 RUN apk add --no-cache \
     alpine-sdk \