diff --git a/Dockerfile b/Dockerfile
index 5a3391c2edaf9301be57fd0fa20941f4660cb7af..da1e98ffdba00bb1af22b5289e3045bb742a2129 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,7 @@ RUN apk update && \
 
 # runtime packages
 RUN apk add --no-cache \
+  bash \
   bzip2 \
   curl \
   db \