diff --git a/Dockerfile b/Dockerfile
index 12ee09f..ecc15f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.27.3-alpine
+FROM nginx:1.27.4-alpine
 LABEL MAINTAINER="BBT Software AG <opensource@bbtsoftware.ch>"
 
 ENV CHK_DOCKER_API_VERSION v1.38