diff --git a/Dockerfile b/Dockerfile
index ef74683..ebfb290 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,6 @@ RUN set -ex; \
     npx grunt prod; \
     rm /tmp/cyberchef/build/prod/BundleAnalyzerReport.html /tmp/cyberchef/build/prod/CyberChef_$CYBERCHEF_VERSION.zip;
 
-FROM nginxinc/nginx-unprivileged:1.26.3@sha256:cd83270b8e0019ee7687198a473842b45c1ef31126229d511afd96c8bba625bc
+FROM nginxinc/nginx-unprivileged:1.28.0@sha256:3e5f030818c3782a35b6f621458a21f3e526a35267b2b4505d225684d5eac7c4
 COPY --from=build /tmp/cyberchef/build/prod /usr/share/nginx/html
 EXPOSE 8080