diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 7c55a2a..9ec1d1c
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,5 +31,5 @@ six==1.11.0
 snowballstemmer==1.2.1
 Sphinx==1.7.9
 sphinxcontrib-websupport==1.1.0
-urllib3==1.23
+urllib3==1.26.5
 wrapt==1.10.11