diff --git a/Dockerfile b/Dockerfile
index 9ab3b26..d26f267 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,7 @@ ENV CONFIG=/data/config.yaml \
 
 RUN set -ex \
  && apk --no-cache add \
+      bash \
       ca-certificates \
       curl \
       jq