diff --git a/netlify.toml b/netlify.toml
index a6f5f2f..19e6fc4 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -3,7 +3,7 @@ command = "git submodule update --init --remote && bundle exec jekyll build --co
 publish = "_site"
 
 [build.environment]
-RUBY_VERSION = "2.6.2"
+RUBY_VERSION = "3.3"
 
 [[redirects]]
   from = "/"