diff --git a/Dockerfile b/Dockerfile
index 8e40da8..bb57e69 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /go/src/git.sbruder.de/simon/alertmanager-gotify/
 
 COPY alertmanager-gotify.go .
 
-RUN apk add --no-cache git upx
+RUN apk add --no-cache git upx ca-certificates
 
 RUN go get -v \
     && CGO_ENABLED=0 go build -v -ldflags="-s -w" \
@@ -12,6 +12,8 @@ RUN go get -v \
 
 FROM scratch
 
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+
 COPY --from=builder /go/src/git.sbruder.de/simon/alertmanager-gotify/alertmanager-gotify /alertmanager-gotify
 
 USER 1000