diff --git a/Dockerfile b/Dockerfile
index 8921fbdc..8d887868 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18rc1-alpine3.15@sha256:6bd420884c18ae6d93a1bad96515fbce8d1a40daea49ac52b653a61af253b7e1 AS build
+FROM golang:1.18rc1-alpine3.15@sha256:a8c33744dfc0b56098eaaea862c35a944b6df0eb92cead5bb43acf620fb14080 AS build
 
 COPY . /go/src/github.com/jauderho/bl3auto
 WORKDIR /go/src/github.com/jauderho/bl3auto