diff --git a/tests/notebooks/e2e-wine/requirements.in b/tests/notebooks/e2e-wine/requirements.in
index 7ec99c2..7f95033 100644
--- a/tests/notebooks/e2e-wine/requirements.in
+++ b/tests/notebooks/e2e-wine/requirements.in
@@ -10,5 +10,5 @@ numpy
 pyarrow
 requests
 # pin to ensure compatibility with the installed mlflow client
-scikit-learn<1.2
+scikit-learn<1.5
 tenacity
diff --git a/tests/notebooks/mlflow-kserve/requirements.in b/tests/notebooks/mlflow-kserve/requirements.in
index 83046f5..6e8d63c 100644
--- a/tests/notebooks/mlflow-kserve/requirements.in
+++ b/tests/notebooks/mlflow-kserve/requirements.in
@@ -7,7 +7,7 @@ numpy
 pyarrow
 requests
 # pin to ensure compatibility with the installed mlflow client
-scikit-learn<1.2
+scikit-learn<1.5
 tenacity
 kserve
 kubernetes
diff --git a/tests/notebooks/mlflow-kserve/requirements.txt b/tests/notebooks/mlflow-kserve/requirements.txt
index bc8e22b..947bfba 100644
--- a/tests/notebooks/mlflow-kserve/requirements.txt
+++ b/tests/notebooks/mlflow-kserve/requirements.txt
@@ -258,6 +258,7 @@ prometheus-client==0.13.1
 protobuf==3.20.3
     # via
     #   google-api-core
+    #   googleapis-common-protos
     #   kserve
     #   mlflow
     #   ray
diff --git a/tests/notebooks/mlflow/requirements.in b/tests/notebooks/mlflow/requirements.in
index ac1a3be..d2445b6 100644
--- a/tests/notebooks/mlflow/requirements.in
+++ b/tests/notebooks/mlflow/requirements.in
@@ -4,5 +4,5 @@ minio<7.0
 # pin the client to match the version of the deployed MLflow server
 mlflow==2.1.1
 # pin to ensure compatibility with the installed mlflow client
-scikit-learn<1.2
+scikit-learn<1.5
 tenacity