diff --git a/pythonWrapper/requirements.txt b/pythonWrapper/requirements.txt
index f265494..ddefeea 100644
--- a/pythonWrapper/requirements.txt
+++ b/pythonWrapper/requirements.txt
@@ -21,6 +21,6 @@ rlp==1.0.1
 semantic-version==2.6.0
 six==1.11.0
 toolz==0.9.0
-urllib3==1.23
+urllib3==1.26.5
 web3==4.4.1
 websockets==5.0.1