diff --git a/renovate.Dockerfile b/renovate.Dockerfile
index 08f1f10..878f4e0 100644
--- a/renovate.Dockerfile
+++ b/renovate.Dockerfile
@@ -16,4 +16,4 @@ ENV RUBY_VERSION=3.2.4
 
 # EOL: 2027-03-31
 # renovate: datasource=ruby-version depName=ruby versioning=ruby
-ENV RUBY_VERSION=3.3.2
+ENV RUBY_VERSION=3.3.3