diff --git a/Dockerfile b/Dockerfile
index b7596f3..78c55ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG P2POOL_BRANCH=v4.4
+ARG P2POOL_BRANCH=v4.5
 
 # Select latest Ubuntu LTS for the build image base
 FROM ubuntu:latest as build