diff --git a/renovate.Dockerfile b/renovate.Dockerfile
index 4e343bd..b2956c4 100644
--- a/renovate.Dockerfile
+++ b/renovate.Dockerfile
@@ -16,4 +16,4 @@ ENV RUBY_VERSION=3.4.9
 
 # EOL: TBD
 # renovate: datasource=ruby-version depName=ruby versioning=ruby
-ENV RUBY_VERSION=4.0.4
+ENV RUBY_VERSION=4.0.5