diff --git a/2021/20211209-tutorial#2/workspace/requirements.txt b/2021/20211209-tutorial#2/workspace/requirements.txt
index c834a70..ba4e400 100644
--- a/2021/20211209-tutorial#2/workspace/requirements.txt
+++ b/2021/20211209-tutorial#2/workspace/requirements.txt
@@ -1,3 +1,3 @@
-mlflow==1.21.0
+mlflow==2.9.1
 tensorflow==2.7.0
 xgboost==1.5.1