diff --git a/config.yml b/config.yml
index 1dff70bc9..53194355e 100644
--- a/config.yml
+++ b/config.yml
@@ -48,7 +48,7 @@ params:
   social_logo_path:     /docs/5.0/assets/brand/bootstrap-social-logo.png
 
   current_version:      "5.0.0-alpha1"
-  current_ruby_version: "5.0.0-alpha1"
+  current_ruby_version: "5.0.0.alpha1"
   docs_version:         "5.0"
   rfs_version:          "9.0.3"
   github_org:           "https://github.com/twbs"