diff --git a/requirements.txt b/requirements.txt
index 9c0d773..3de0f71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-anthropic==0.105.2
+anthropic==0.109.1
 google-genai==2.8.0
 jinja2==3.1.6
 openai==2.41.0