diff --git a/mlflow/requirements.txt b/mlflow/requirements.txt
index a2bdcf7b..ad36a18a 100644
--- a/mlflow/requirements.txt
+++ b/mlflow/requirements.txt
@@ -90,7 +90,7 @@ terminado==0.8.3
 testpath==0.4.4
 tornado==6.0.3
 traitlets==4.3.3
-urllib3==1.25.7
+urllib3==1.26.5
 wcwidth==0.1.8
 webencodings==0.5.1
 websocket-client==0.56.0