diff --git a/requirements.txt b/requirements.txt
index 35567c4..f133114 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,5 +21,5 @@ semantic-version==2.6.0
 six==1.11.0
 toolz==0.8.2
 typing==3.6.2
-urllib3==1.24.2
+urllib3==1.26.5
 web3==3.16.4