diff --git a/topic/machine-learning/mlflow/requirements-dev.txt b/topic/machine-learning/mlflow/requirements-dev.txt
index e7e76dd4..9be375a3 100644
--- a/topic/machine-learning/mlflow/requirements-dev.txt
+++ b/topic/machine-learning/mlflow/requirements-dev.txt
@@ -1,6 +1,6 @@
 # Real.
 cratedb-toolkit[io]>=0.0.46
-pueblo[notebook,testing]>=0.0.18
+pueblo[notebook,testing]>=0.0.19
 
 # Development.
 # cratedb-toolkit[io] @ git+https://github.com/crate-workbench/cratedb-toolkit.git@7f3a493