diff --git a/Dockerfile b/Dockerfile
index 8a873c2..65437f8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.25.5-alpine
+FROM nginx:1.27.0-alpine
 LABEL MAINTAINER="BBT Software AG <opensource@bbtsoftware.ch>"
 
 ENV CHK_DOCKER_API_VERSION v1.38