diff --git a/Dockerfile b/Dockerfile
index ca560b9..13652cc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17.5-alpine3.15 as build
+FROM golang:1.18.1-alpine3.15 as build
 WORKDIR /build
 COPY . .
 RUN go get -d -v .