diff --git a/skills/claude-api/spec.yaml b/skills/claude-api/spec.yaml
index 742dc7e5..41e9046f 100644
--- a/skills/claude-api/spec.yaml
+++ b/skills/claude-api/spec.yaml
@@ -9,9 +9,9 @@ metadata:
 
 spec:
   repository: "https://github.com/anthropics/skills"
-  ref: "f17010c9bb483898c1d9c9f42dde2b3a98889434"
+  ref: "f6656c1256d5a8adfa37db9110046ef20bac644c"
   path: "skills/claude-api"
-  version: "0.3.0"
+  version: "0.4.0"
 
 provenance:
   repository_uri: "https://github.com/anthropics/skills"