diff --git a/.docker/Dockerfile.nginx-port-selector b/.docker/Dockerfile.nginx-port-selector
index d309795..3eca0ee 100644
--- a/.docker/Dockerfile.nginx-port-selector
+++ b/.docker/Dockerfile.nginx-port-selector
@@ -1,4 +1,4 @@
-FROM docker:27-cli
+FROM docker:29-cli
 
 RUN apk add --no-cache docker-cli-compose