diff --git a/Dockerfile b/Dockerfile
index d4daa85..3b47ec7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18.4-alpine3.16@sha256:d84b1ff3eeb9404e0a7dda7fdc6914cbe657102420529beec62ccb3ef3d143eb as build
+FROM golang:1.18.4-alpine3.16@sha256:af22f4a8328063faee4b28da1b1bbccccb6f3ccaa0a07006f9d3aa2da43d18c2 as build
 RUN apk add --no-cache ca-certificates git make
 WORKDIR /usr/src/app
 COPY ./go.mod ./go.sum ./