diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 158dd25..48189e0
--- a/requirements.txt
+++ b/requirements.txt
@@ -134,7 +134,7 @@ tornado==4.3
 traitlets==4.3.2
 typing==3.6.2
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.26.5
 uWSGI==2.0.14
 wcwidth==0.1.7
 webencodings==0.5.1