diff --git a/Dockerfile b/Dockerfile
index d23c91d..fc93d82 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # this Dockerfile copied from https://github.com/kobaltcore/renkit/blob/master/Dockerfile
 
 FROM ubuntu:22.04
-ARG renpy_version=8.5.2
+ARG renpy_version=8.5.3
 ARG renkit_version=6.1.0
 
 ENV DEBIAN_FRONTEND=noninteractive