diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index a0641b2e..8338d526
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ transitions==0.6.4
 treq==17.8.0
 Twisted==17.9.0
 txaioetcd==0.3.0
-urllib3==1.22
+urllib3==1.26.5
 pyang==1.7.3
 lxml==3.6.4
 nosexcover==1.0.11