diff --git a/.groc.json b/.groc.json
new file mode 100644
index 0000000..08023eb
--- /dev/null
+++ b/.groc.json
@@ -0,0 +1,4 @@
+{
+  "glob": ["lib/*.rb", "lib/csv_shaper/*.rb", "README.md"],
+  "github": true
+}