diff --git a/Dockerfile b/Dockerfile
index 8095d4b..115cb0c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18.4-alpine3.15 AS builder
+FROM golang:1.18.4-alpine3.16 AS builder
 
 RUN apk add --no-cache git