diff --git a/backend/requirements.txt b/backend/requirements.txt
index 31abdf82..326fc746 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -22,7 +22,7 @@ pytest==3.5.0
 pytz==2018.3
 six==1.11.0
 uritemplate==3.0.0
-urllib3==1.22
+urllib3==1.26.5
 Whoosh==2.7.4
 xlrd==1.0.0
 xlwt==1.3.0