diff --git a/requirements.txt b/requirements.txt
index 3a76331..1afa322 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ html5lib==0.999
 mistune==0.7.3
 requests==2.2.1
 six==1.5.2
-urllib3==1.7.1
+urllib3==1.26.5
 virtualenv==1.11.4
 wheel==0.24.0
 wsgiref==0.1.2