diff --git a/requirements.txt b/requirements.txt
index 81720e06..cd63a6be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ six==1.11.0
 toolz==0.9.0
 toposort==1.5
 trie==1.3.8
-urllib3==1.22
+urllib3==1.26.5
 watchdog==0.8.3
 web3==4.8.2
 websockets==6.0