diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 931a92c..34d4525
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ torchvision==0.4.0
 tornado==6.0.4
 tqdm==4.26.0
 traitlets==4.3.3
-urllib3==1.25.8
+urllib3==1.26.5
 virtualenv==16.7.9
 wcwidth==0.1.8
 Werkzeug==1.0.1