diff --git a/Dockerfile b/Dockerfile
index 5105a3a..c360aa4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,9 @@
 # Debian GNU/Linux 10 (1.13.10-buster)
 FROM golang:latest
 
+# add zip
+RUN apt install zip
+
 # copy entrypoint file
 COPY entrypoint.go /usr/bin/entrypoint.go