diff --git a/crates/languages/src/ruby/config.toml b/crates/languages/src/ruby/config.toml
index 54072d801b..e0e6091e6a 100644
--- a/crates/languages/src/ruby/config.toml
+++ b/crates/languages/src/ruby/config.toml
@@ -3,6 +3,7 @@ grammar = "ruby"
 path_suffixes = [
     "rb",
     "Gemfile",
+    "Guardfile",
     "rake",
     "Rakefile",
     "ru",