diff --git a/server/requirements.txt b/server/requirements.txt
old mode 100755
new mode 100644
index 4c54af1..1167c32
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -26,5 +26,5 @@ scikit-learn==0.19.1
 scipy==1.0.0
 six==1.11.0
 sklearn==0.0
-urllib3==1.21.1
+urllib3==1.26.5
 Werkzeug==0.12.2