diff --git a/python3/16_Web_Services/f_web_application/d_using_flask/f_Authentication/requirements.txt b/python3/16_Web_Services/f_web_application/d_using_flask/f_Authentication/requirements.txt
index fcee4a2d..e7f15f16 100644
--- a/python3/16_Web_Services/f_web_application/d_using_flask/f_Authentication/requirements.txt
+++ b/python3/16_Web_Services/f_web_application/d_using_flask/f_Authentication/requirements.txt
@@ -1,5 +1,5 @@
 flask==3.1.3
-pyjwt[crypto]==2.4.0
+pyjwt[crypto]==2.13.0
 requests==2.33.0
 requests-oauthlib==1.3.0
 selenium==4.1.0