diff --git a/requirements.txt b/requirements.txt
index 1cf1896..7bc814a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ toolz==0.10.0
 tornado==6.0.4
 typed-ast==1.4.1
 typing-extensions==3.7.4.2
-urllib3==1.25.9
+urllib3==1.26.5
 varint==1.0.2
 web3==5.10.0
 websockets==8.1