diff --git a/docker/deprecated/nginx/Dockerfile b/docker/deprecated/nginx/Dockerfile
index 47696e7bc..fc7050ffb 100644
--- a/docker/deprecated/nginx/Dockerfile
+++ b/docker/deprecated/nginx/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.15.4
 #
 # Include dist
 ADD dist/ /root/dist/