diff --git a/Dockerfile b/Dockerfile
index acab3a3..34c4df7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:mainline-alpine-slim
+FROM nginx:1.29.4-alpine3.23-slim
 
 EXPOSE 80
 COPY nginx.conf /etc/nginx/nginx.conf