diff --git a/Dockerfile b/Dockerfile
index 53e7ba5..daddf56 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,37 +1,37 @@
 # Build image
-FROM golang:1.15-alpine as build
+FROM golang:1.18-alpine as build
 
 RUN apk add --update nodejs npm make g++ git
 RUN npm install -g less less-plugin-clean-css
 RUN go get -u github.com/go-bindata/go-bindata/...
 
 RUN mkdir -p /go/src/github.com/writefreely/writefreely
 WORKDIR /go/src/github.com/writefreely/writefreely
 
 COPY . .
 
 ENV GO111MODULE=on
 
 RUN make build \
   && make ui
 RUN mkdir /stage && \
     cp -R /go/bin \
       /go/src/github.com/writefreely/writefreely/templates \
       /go/src/github.com/writefreely/writefreely/static \
       /go/src/github.com/writefreely/writefreely/pages \
       /go/src/github.com/writefreely/writefreely/keys \
       /go/src/github.com/writefreely/writefreely/cmd \
       /stage
 
 # Final image
-FROM alpine:3.12
+FROM alpine:3
 
 RUN apk add --no-cache openssl ca-certificates
 COPY --from=build --chown=daemon:daemon /stage /go
 
 WORKDIR /go
 VOLUME /go/keys
 EXPOSE 8080
 USER daemon
 
 ENTRYPOINT ["cmd/writefreely/writefreely"]