diff --git a/requirements.txt b/requirements.txt
index 92d54f2..64bb607 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -86,7 +86,7 @@ tornado==6.0.3
 tqdm==4.41.1
 traitlets==4.3.3
 typed-ast==1.4.1 ; implementation_name == 'cpython' and python_version < '3.8'
-urllib3==1.25.7
+urllib3==1.26.5
 wasabi==0.6.0
 wcwidth==0.1.8
 webencodings==0.5.1