diff --git a/requirements.txt b/requirements.txt
index bd9f422..caecc32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ pyflakes==1.2.3
 pymongo==3.0.3
 requests==2.7.0
 six==1.9.0
-urllib3==1.12
+urllib3==1.26.5
 webassets==0.11.1
 Werkzeug==0.10.4
 WTForms==2.1