diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index a0340cd..d078d65
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,4 +25,4 @@ requests-oauthlib==0.8.0
 six==1.11.0
 tornado==4.5.2
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5