diff --git a/requirements-dev.txt b/requirements-dev.txt
index ac8b3730d8..99f6cc3678 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -40,7 +40,7 @@ pandas
 requests
 einops
 transformers
-mlflow
+mlflow!=1.26.1  # https://github.com/Project-MONAI/MONAI/issues/4375
 matplotlib!=3.5.0
 tensorboardX
 types-PyYAML