diff --git a/Dockerfile b/Dockerfile
index 87510f7..9b82555 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,15 +2,16 @@
 
 FROM golang:1-alpine as baseimg
 
-RUN apk add make
+RUN apk add make ca-certificates
 WORKDIR /go/src/app
 ENV GO111MODULE=on CGO_ENABLED=1 GOOS=linux
 COPY . /go/src/app/
 RUN make build
 
 FROM alpine:latest
-RUN apk add --no-cache ca-certificates
 WORKDIR /go/src/app
+RUN apk upgrade --available
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=baseimg /go/src/app/semver-gen .
 COPY --from=baseimg /go/src/app/config-release.yaml config.yaml
 COPY --from=baseimg /go/src/app/entrypoint.sh /entrypoint.sh