diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index ec6be79..17d9b32 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -12,7 +12,7 @@ requires-python = ">=3.10"
 dependencies = [
     "apscheduler==3.10.3",
     "beautifulsoup4>=4.9.0",
-    "cachetools==5.5.2",
+    "cachetools==7.1.8",
     "cryptography>=46.0.7",
     "defusedxml>=0.7.1",
     "fastapi==0.136.3",