diff --git a/requirements.txt b/requirements.txt
index 096037b..e6523f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-anthropic>=0.84.0
+anthropic>=0.109.1
 Flask>=3.1.0
 gunicorn>=23.0.0
 python-dotenv>=1.2.2