diff --git a/requirements.txt b/requirements.txt
index 29f7440f..d4714975 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ secp256k1==0.13.2
 semantic-version==2.6.0
 toolz==0.8.2
 toposort==1.5
-urllib3==1.22
+urllib3==1.26.5
 watchdog==0.8.3
 web3==3.11.1
 Werkzeug==0.12.2