diff --git a/internal_site/Dockerfile b/internal_site/Dockerfile
index 6e8acef6..b3421538 100644
--- a/internal_site/Dockerfile
+++ b/internal_site/Dockerfile
@@ -1,2 +1,2 @@
-FROM nginx:alpine
+FROM nginx:1.25.3-alpine3.18
 COPY . /usr/share/nginx/html