diff --git a/lang/python/json-rpc/requirements.txt b/lang/python/json-rpc/requirements.txt
index cd77f29..ffad005 100644
--- a/lang/python/json-rpc/requirements.txt
+++ b/lang/python/json-rpc/requirements.txt
@@ -3,5 +3,5 @@ chardet==3.0.4
 idna==2.6
 json-rpc==1.10.3
 requests==2.18.4
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.12.2