diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 13fc69c..7672b49 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:5efdf8d38e5a22c1ec9e5541cbdfde56399bdffcb6f531183f84ac66052a8024
-# created: 2024-10-25
+  digest: sha256:5cddfe2fb5019bbf78335bc55f15bc13e18354a56b3ff46e1834f8e540807f05
+# created: 2024-10-31T01:41:07.349286254Z
diff --git a/.github/release-trigger.yml b/.github/release-trigger.yml
index d4ca941..4bb79e5 100644
--- a/.github/release-trigger.yml
+++ b/.github/release-trigger.yml
@@ -1 +1,2 @@
 enabled: true
+multiScmName: 
diff --git a/.kokoro/test-samples-impl.sh b/.kokoro/test-samples-impl.sh
index 55910c8..53e365b 100755
--- a/.kokoro/test-samples-impl.sh
+++ b/.kokoro/test-samples-impl.sh
@@ -33,7 +33,8 @@ export PYTHONUNBUFFERED=1
 env | grep KOKORO
 
 # Install nox
-python3.9 -m pip install --upgrade --quiet nox
+# `virtualenv==20.26.6` is added for Python 3.7 compatibility
+python3.9 -m pip install --upgrade --quiet nox virtualenv==20.26.6
 
 # Use secrets acessor service account to get secrets
 if [[ -f "${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" ]]; then