diff --git a/skills-lock.json b/skills-lock.json
index cedab32..b35259e 100644
--- a/skills-lock.json
+++ b/skills-lock.json
@@ -101,6 +101,13 @@
       "sourceUrl": "https://github.com/Hestia-Homes/agentic-toolkit.git",
       "skillPath": "skills/engineering/to-project/SKILL.md",
       "skillFolderHash": "c28e88e90052bee0dfddc8c525462fe339ff2244"
+    },
+    "tdd": {
+      "source": "Hestia-Homes/agentic-toolkit",
+      "sourceType": "github",
+      "sourceUrl": "https://github.com/Hestia-Homes/agentic-toolkit.git",
+      "skillPath": "skills/engineering/tdd/SKILL.md",
+      "skillFolderHash": "6690fa8a3dcb7a91ef6043b542322553e199e35b"
     }
   },
   "dismissed": {}