diff --git a/Dockerfile b/Dockerfile
index 0b97507..21b5f0d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,6 @@
 FROM alpine:3.10
+
+RUN apk add --no-cache ca-certificates bash jq
+
 COPY entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]