diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 7c1ccff..467902b 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -20,7 +20,7 @@ COPY --from=wasm /out/ ./public/emulator/
 RUN npm run build
 
 # --- Serve stage ---
-FROM nginx:1.27-alpine
+FROM nginx:1.31-alpine
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 COPY security-headers.conf /etc/nginx/snippets/security-headers.conf
 COPY --from=build /app/dist /usr/share/nginx/html