diff --git a/requirements/development.txt b/requirements/development.txt
index cee881a..bfc34e0 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -48,5 +48,5 @@ six==1.11.0
 tblib==1.3.2
 typing==3.6.6
 uritemplate==3.0.0
-urllib3==1.22
+urllib3==1.26.5
 whitenoise==4.0b4