diff --git a/PP_APP/requirements.txt b/PP_APP/requirements.txt
index e546d03..71aef22 100644
--- a/PP_APP/requirements.txt
+++ b/PP_APP/requirements.txt
@@ -68,6 +68,6 @@ tensorflow-serving-api==1.14.0
 termcolor==1.1.0
 toml==0.10.0
 typed-ast==1.4.1
-urllib3==1.25.8
+urllib3==1.26.5
 Werkzeug==1.0.1
 wrapt==1.12.1