diff --git a/Dockerfile b/Dockerfile
index 2da6211f..73f05af9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ LABEL org.opencontainers.image.source=https://github.com/foxcpp/maddy
 
 RUN set -ex && \
     apk upgrade --no-cache --available && \
-    apk --no-cache add ca-certificates
+    apk --no-cache add ca-certificates bash
 COPY --from=build-env /pkg/data/maddy.conf /data/maddy.conf
 COPY --from=build-env /pkg/usr/local/bin/maddy /bin/