diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2f9b445..e9b2ea9 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -14,4 +14,4 @@ pydantic==2.13.3
 python-multipart>=0.0.26
 google-generativeai==0.8.6
 slowapi==0.1.9
-cachetools==5.5.2
+cachetools==7.1.1