diff --git a/Dockerfile b/Dockerfile
index 8bcc8dd..e9c13da 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-RUN apk add --no-cache openjdk11-jre-headless openjdk11-jdk
+RUN apk add --no-cache bash openjdk11-jre-headless openjdk11-jdk
 
 VOLUME [ "/data" ]