diff --git a/Dockerfile b/Dockerfile
index 0b7f12c..d4c2411 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ COPY --chown=1001:root . .
 # build the docs
 RUN chmod +x prepare_theme.sh && ./prepare_theme.sh
 RUN mkdocs build
-FROM nginxinc/nginx-unprivileged:1.28-alpine as deploy
+FROM nginxinc/nginx-unprivileged:1.31-alpine as deploy
 COPY --from=builder $HOME/application/site/ /usr/share/nginx/html/actions/
 COPY default.conf /etc/nginx/conf.d/