diff --git a/requirements.txt b/requirements.txt
index bd1c0cd..860fab4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ rlp==1.1.0
 s3transfer==0.2.1
 six==1.12.0
 toolz==0.10.0
-urllib3==1.25.3
+urllib3==1.26.5
 vine==1.3.0
 wcwidth==0.1.7
 web3==5.0.0b2