diff --git a/Dockerfile b/Dockerfile
index d112e1f..9c19391 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM alpine:3.14 AS builder
+FROM alpine:3.15 AS builder
 
-ENV VERSION=v1.43.0
+ENV VERSION=v1.50.2
 
 RUN apk add --no-cache \
     alpine-sdk \