diff --git a/Dockerfile.Build b/Dockerfile.Build
index 319fe26..1939027 100644
--- a/Dockerfile.Build
+++ b/Dockerfile.Build
@@ -35,6 +35,7 @@ EXPOSE 5000
 
 
 FROM debian:stretch-20181112
+apt-get install --no-cache ca-certificates openssl
 COPY --from=0 /usr/bin/bw /usr/bin/bw
 COPY --from=0 /scheduler /go/src/github.com/vwxyzjn/portwarden/web/scheduler/scheduler
 COPY --from=0 /worker /go/src/github.com/vwxyzjn/portwarden/web/worker/worker