diff --git a/requirements.txt b/requirements.txt
index 5452127..8408a48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ six==1.12.0
 tqdm==4.36.1
 twine==2.0.0
 typed-ast==1.4.0
-urllib3==1.25.6
+urllib3==1.25.8
 webencodings==0.5.1
 wrapt==1.11.2
 zope.component==4.5