diff --git a/Dockerfile b/Dockerfile
index f063264e..5b703585 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # docker build -t former2_local:1.0 .
 # docker run --name former2 -p $host_port:80 -d former2_local:1.0
 
-FROM nginx:1.15
+FROM nginx:1.23
 COPY . /usr/share/nginx/html