diff --git a/.kokoro/common.cfg b/.kokoro/common.cfg
index f58e4f76..c3a6b7e7 100644
--- a/.kokoro/common.cfg
+++ b/.kokoro/common.cfg
@@ -12,7 +12,7 @@ build_file: "getting-started-python/.kokoro/trampoline_v2.sh"
 # Use the Python worker docker iamge.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/python/getting-started-python"
+    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
 }
 
 # Tell the trampoline which build file to use.
diff --git a/background/function/requirements.txt b/background/function/requirements.txt
index b8e6aaad..926de46a 100644
--- a/background/function/requirements.txt
+++ b/background/function/requirements.txt
@@ -1,2 +1,3 @@
 google-cloud-translate==3.11.1
 google-cloud-firestore==2.11.1
+setuptools
diff --git a/bookshelf/requirements.txt b/bookshelf/requirements.txt
index 27d3d4fe..e2079664 100644
--- a/bookshelf/requirements.txt
+++ b/bookshelf/requirements.txt
@@ -5,3 +5,4 @@ google-cloud-error-reporting==1.9.1
 google-cloud-logging==3.5.0
 gunicorn==20.1.0
 six==1.16.0
+Werkzeug<3.0.0
diff --git a/gce/requirements.txt b/gce/requirements.txt
index b655465f..e4e109fd 100644
--- a/gce/requirements.txt
+++ b/gce/requirements.txt
@@ -1,3 +1,4 @@
 flask==2.2.5
 honcho==1.1.0
 gunicorn==20.1.0
+Werkzeug<3.0.0
diff --git a/optional-kubernetes-engine/config.py b/optional-kubernetes-engine/config.py
index 7da9b4cc..83d9ccbd 100644
--- a/optional-kubernetes-engine/config.py
+++ b/optional-kubernetes-engine/config.py
@@ -83,7 +83,9 @@
 # You also need to make sure that the default ACL is set to public-read,
 # otherwise users will not be able to see their upload images:
 #
-#   $ gcloud storage buckets update --predefined-default-object-acl=public-read gs://<your-bucket-name>
+#   $ gcloud storage buckets update \
+#       --predefined-default-object-acl=public-read \
+#       gs://<your-bucket-name>
 #
 # You can adjust the max content length and allow extensions settings to allow
 # larger or more varied file types if desired.
diff --git a/sessions/requirements.txt b/sessions/requirements.txt
index e0e267b5..b496a872 100644
--- a/sessions/requirements.txt
+++ b/sessions/requirements.txt
@@ -1,2 +1,3 @@
 google-cloud-firestore==2.11.1
 flask==2.2.5
+Werkzeug<3.0.0