diff --git a/skill/pyproject.toml b/skill/pyproject.toml
index cbc8c4a..51cfe1c 100644
--- a/skill/pyproject.toml
+++ b/skill/pyproject.toml
@@ -15,7 +15,7 @@ test = [
 ]
 # Eval harness — install separately: uv sync --extra eval
 eval = [
-    "anthropic>=1.8.0",
+    "anthropic>=1.11.0",
     "deepeval>=4.2.6",
     "python-dotenv>=1.2.3",
 ]