diff --git a/nginx/Dockerfile b/nginx/Dockerfile
index 2064acb..2d6e702 100644
--- a/nginx/Dockerfile
+++ b/nginx/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20201014
 
 RUN apt-get update && apt-get install -y nginx && apt-get clean && rm -rf /var/lib/apt/lists/*