diff --git a/requirements.txt b/requirements.txt
index dd9f161..452c15d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -105,7 +105,7 @@ tornado==6.0.3
 tqdm==4.32.2
 traitlets==4.3.2
 uritemplate==3.0.0
-urllib3==1.25.3
+urllib3==1.26.5
 wcwidth==0.1.7
 Werkzeug==0.15.4
 wrapt==1.11.2