diff --git a/Dockerfile b/Dockerfile
index b1c35c6..3fbd1a5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
 FROM alpine:3.12
 
 RUN apk --no-cache add \
-  curl bind-tools netcat-openbsd fish jq coreutils
+  curl bind-tools netcat-openbsd fish jq coreutils tini