diff --git a/nginx-wsgi-flask/nginx/Dockerfile b/nginx-wsgi-flask/nginx/Dockerfile
index bfb3338..299337c 100644
--- a/nginx-wsgi-flask/nginx/Dockerfile
+++ b/nginx-wsgi-flask/nginx/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.19.7-alpine
+FROM nginx:1.20.1-alpine
 
 # Add bash for boot cmd
 RUN apk add bash