diff --git a/_data/toc.yml b/_data/toc.yml
index ae9188b..5cb19ee 100644
--- a/_data/toc.yml
+++ b/_data/toc.yml
@@ -7,6 +7,7 @@ Getting Started:
 Advanced:
   - docs/http.md
   - docs/simulating-webhooks.md
+  - docs/testing.md
   - docs/pagination.md
   - docs/deployment.md
   - docs/best-practices.md