diff --git a/Dockerfile b/Dockerfile
index ef21b829..10ef4f70 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -104,7 +104,7 @@ CMD ["node", "dist/server/server/server.js"]
 # ============================================================================
 # Stage 3: frontend (nginx runtime)
 # ============================================================================
-FROM nginx:1.27.4-alpine AS frontend
+FROM nginx:1.31.2-alpine AS frontend
 
 # Copy frontend build from shared-builder (not from api stage)
 COPY --from=shared-builder /app/dist /usr/share/nginx/html
@@ -153,7 +153,7 @@ RUN npm run build:e2e
 # ============================================================================
 # Stage 5: frontend-e2e (nginx runtime with e2e test seams)
 # ============================================================================
-FROM nginx:1.27.4-alpine AS frontend-e2e
+FROM nginx:1.31.2-alpine AS frontend-e2e
 
 COPY --from=frontend-e2e-builder /app/dist /usr/share/nginx/html
 COPY docker/nginx.local.conf /etc/nginx/conf.d/default.conf