diff --git a/requirements.txt b/requirements.txt
index e9b8e82..091163d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-cachetools==4.1.1
+cachetools==4.2.2
 certifi==2020.6.20
 cffi==1.14.2
 chardet==3.0.4