diff --git a/MD/MembraneLook/requirements.txt b/MD/MembraneLook/requirements.txt
index 43e2603..4311dab 100644
--- a/MD/MembraneLook/requirements.txt
+++ b/MD/MembraneLook/requirements.txt
@@ -350,7 +350,7 @@ typing==3.6.6
 tzlocal==1.5.1
 ujson==1.35
 unicodecsv==0.14.1
-urllib3==1.24.1
+urllib3==1.26.5
 virtualenv==16.0.0
 vpnotebook==0.1.3
 vpython==7.4.7