diff --git a/requirements.txt b/requirements.txt
index 9ead2c4..c221995 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ six==1.11.0
 toolz==0.9.0
 tqdm==4.23.4
 twine==1.11.0
-urllib3==1.22
+urllib3==1.26.5
 web3==4.2.1
 websockets==4.0.1
 xkcdpass==1.16.5