diff --git a/requirements.txt b/requirements.txt
index 2a2c7d0..6a28541 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ rlp==1.2.0
 six==1.14.0
 toolz==0.10.0
 typing-extensions==3.7.4.1
-urllib3==1.25.8
+urllib3==1.26.5
 URLObject==2.4.3
 varint==1.0.2
 web3==5.7.0