diff --git a/codelabs/ai-toolkit-lab-1/cymbal-bank/src/loadgenerator/requirements.txt b/codelabs/ai-toolkit-lab-1/cymbal-bank/src/loadgenerator/requirements.txt
index 09ed8ad8..d2787292 100644
--- a/codelabs/ai-toolkit-lab-1/cymbal-bank/src/loadgenerator/requirements.txt
+++ b/codelabs/ai-toolkit-lab-1/cymbal-bank/src/loadgenerator/requirements.txt
@@ -38,7 +38,7 @@ greenlet==3.3.0
     # via gevent
 h11==0.16.0
     # via wsproto
-idna==3.11
+idna==3.15
     # via requests
 iniconfig==2.3.0
     # via pytest