diff --git a/requirements-app.txt b/requirements-app.txt
index 24eb89646..ac038304a 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -22,7 +22,7 @@ PyJWT==2.0.1
 SQLAlchemy==1.3.22
 strict-rfc3339==0.7
 rfc3987==1.3.8
-cachetools==4.2.0
+cachetools==4.2.1
 
 notifications-python-client==5.7.1