diff --git a/pyproject.toml b/pyproject.toml
index ee13baa0..adfc0f6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 ]
 
 dependencies = [
-    "anthropic>=0.25.0",
+    "anthropic>=0.111.0",
     "openai>=1.30.0",
 ]