diff --git a/apps/jupyter/jupyter-web-app/upstream/base/configs/spawner_ui_config.yaml b/apps/jupyter/jupyter-web-app/upstream/base/configs/spawner_ui_config.yaml
index 6851aa3242..90af4d0753 100644
--- a/apps/jupyter/jupyter-web-app/upstream/base/configs/spawner_ui_config.yaml
+++ b/apps/jupyter/jupyter-web-app/upstream/base/configs/spawner_ui_config.yaml
@@ -37,15 +37,15 @@ spawnerFormDefaults:
   ################################################################
   image:
     # the default container image
-    value: kubeflownotebookswg/jupyter-scipy:latest
+    value: kubeflownotebookswg/jupyter-scipy:v1.9.0
 
     # the list of available container images in the dropdown
     options:
-      - kubeflownotebookswg/jupyter-scipy:latest
-      - kubeflownotebookswg/jupyter-pytorch-full:latest
-      - kubeflownotebookswg/jupyter-pytorch-cuda-full:latest
-      - kubeflownotebookswg/jupyter-tensorflow-full:latest
-      - kubeflownotebookswg/jupyter-tensorflow-cuda-full:latest
+    - kubeflownotebookswg/jupyter-scipy:v1.9.0
+    - kubeflownotebookswg/jupyter-pytorch-full:v1.9.0
+    - kubeflownotebookswg/jupyter-pytorch-cuda-full:v1.9.0
+    - kubeflownotebookswg/jupyter-tensorflow-full:v1.9.0
+    - kubeflownotebookswg/jupyter-tensorflow-cuda-full:v1.9.0
 
   ################################################################
   # VSCode-like Container Images (Group 1)
@@ -60,11 +60,11 @@ spawnerFormDefaults:
   ################################################################
   imageGroupOne:
     # the default container image
-    value: kubeflownotebookswg/codeserver-python:latest
+    value: kubeflownotebookswg/codeserver-python:v1.9.0
 
     # the list of available container images in the dropdown
     options:
-      - kubeflownotebookswg/codeserver-python:latest
+    - kubeflownotebookswg/codeserver-python:v1.9.0
 
   ################################################################
   # RStudio-like Container Images (Group 2)
@@ -81,11 +81,11 @@ spawnerFormDefaults:
   ################################################################
   imageGroupTwo:
     # the default container image
-    value: kubeflownotebookswg/rstudio-tidyverse:latest
+    value: kubeflownotebookswg/rstudio-tidyverse:v1.9.0
 
     # the list of available container images in the dropdown
     options:
-      - kubeflownotebookswg/rstudio-tidyverse:latest
+    - kubeflownotebookswg/rstudio-tidyverse:v1.9.0
 
   ################################################################
   # CPU Resources
@@ -130,10 +130,10 @@ spawnerFormDefaults:
       #  `limitsKey` - what will be set as the actual limit
       #  `uiName` - what will be displayed in the dropdown UI
       vendors:
-        - limitsKey: "nvidia.com/gpu"
-          uiName: "NVIDIA"
-        - limitsKey: "amd.com/gpu"
-          uiName: "AMD"
+      - limitsKey: "nvidia.com/gpu"
+        uiName: "NVIDIA"
+      - limitsKey: "amd.com/gpu"
+        uiName: "AMD"
 
       # the default value of the limit
       # (possible values: "none", "1", "2", "4", "8")
@@ -162,7 +162,7 @@ spawnerFormDefaults:
             requests:
               storage: 5Gi
           accessModes:
-            - ReadWriteOnce
+          - ReadWriteOnce
 
   ################################################################
   # Data Volumes
diff --git a/hack/synchronize-kubeflow-manifests.sh b/hack/synchronize-kubeflow-manifests.sh
index 71bbe3e4a8..d83462a6c2 100644
--- a/hack/synchronize-kubeflow-manifests.sh
+++ b/hack/synchronize-kubeflow-manifests.sh
@@ -40,13 +40,13 @@ else
 fi
 echo "Checking out in $SRC_DIR to $COMMIT..."
 
-# Checkout the Model Registry repository
+# Checkout the upstream repository
 mkdir -p $SRC_DIR
 cd $SRC_DIR
 if [ ! -d "kubeflow/.git" ]; then
     git clone https://github.com/kubeflow/kubeflow.git
 fi
-cd $SRC_DIR/models-web-app
+cd $SRC_DIR/kubeflow
 if ! git rev-parse --verify --quiet $COMMIT; then
     git checkout -b $COMMIT
 else