diff --git a/BLOCKCHAIN-USING-PYTHON/requirements.txt b/BLOCKCHAIN-USING-PYTHON/requirements.txt
index 3c52e68..a02df5e 100644
--- a/BLOCKCHAIN-USING-PYTHON/requirements.txt
+++ b/BLOCKCHAIN-USING-PYTHON/requirements.txt
@@ -7,6 +7,6 @@ itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
 requests==2.24.0
-urllib3==1.25.9
+urllib3==1.26.5
 uuid==1.30
 Werkzeug==1.0.1