diff --git a/requirements.txt b/requirements.txt
index c27c0d2..39a07d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -117,7 +117,7 @@ tqdm==4.31.0
 traitlets==4.3.2
 twine==1.13.0
 typed-ast==1.3.5
-urllib3==1.24.3
+urllib3==1.26.5
 virtualenv==16.6.0
 wcwidth==0.1.7
 webencodings==0.5.1