diff --git a/rubygem-oj.yaml b/rubygem-oj.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..1ab75c11b8ea5b68b3ffc49ebb481b0a12dbbdcd
--- /dev/null
+++ b/rubygem-oj.yaml
@@ -0,0 +1,4 @@
+version_control: rubygems
+src_repo: oj
+tag_prefix: "^v"
+separator: "."