diff --git a/Dockerfile b/Dockerfile
index a3d80bd..cfeb016 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # https://hub.docker.com/_/haproxy
-FROM haproxy:2.8-alpine
+FROM haproxy:2.9-alpine
 
 VOLUME [ "/certs" ]