diff --git a/.repo/nvchecker.toml b/.repo/nvchecker.toml
index b36f031..fe49e9d 100644
--- a/.repo/nvchecker.toml
+++ b/.repo/nvchecker.toml
@@ -147,6 +147,12 @@ exclude_regex = "^.*(alpha|beta|rc).*$"
 
 # github
 
+[ruby-set]
+source = "github"
+github = "ruby/set"
+use_max_tag = true
+prefix = "v"
+
 [ruby-benchmark-ips]
 source = "github"
 github = "evanphx/benchmark-ips"