diff --git a/01-ClaimsProcessing/challenge-5/requirements.txt b/01-ClaimsProcessing/challenge-5/requirements.txt
index 7cf7fe0..9421df9 100644
--- a/01-ClaimsProcessing/challenge-5/requirements.txt
+++ b/01-ClaimsProcessing/challenge-5/requirements.txt
@@ -65,7 +65,7 @@ jupyter_core==5.8.1
 lazy-object-proxy==1.11.0
 MarkupSafe==3.0.2
 matplotlib-inline==0.1.7
-mcp==1.11.0
+mcp==1.23.0
 more-itertools==10.7.0
 msal==1.32.3
 msal-extensions==1.3.1