diff --git a/.repo/nvchecker.toml b/.repo/nvchecker.toml
index 0369f58..cbaad1f 100644
--- a/.repo/nvchecker.toml
+++ b/.repo/nvchecker.toml
@@ -728,6 +728,10 @@ use_max_tag = true
 source = "gems"
 gems = "parser"
 
+[ruby-ast]
+source = "gems"
+gems = "ast"
+
 [ruby-guard-nanoc]
 source = "gems"
 gems = "guard-nanoc"