diff --git a/packages/google-cloud-vision/.github/release-please.yml b/packages/google-cloud-vision/.github/release-please.yml
index 466597e5b196..29601ad4692c 100644
--- a/packages/google-cloud-vision/.github/release-please.yml
+++ b/packages/google-cloud-vision/.github/release-please.yml
@@ -1,2 +1,11 @@
 releaseType: python
 handleGHRelease: true
+# NOTE: this section is generated by synthtool.languages.python
+# See https://github.com/googleapis/synthtool/blob/master/synthtool/languages/python.py
+branches:
+- branch: v1
+  handleGHRelease: true
+  releaseType: python
+- branch: v0
+  handleGHRelease: true
+  releaseType: python
diff --git a/packages/google-cloud-vision/owlbot.py b/packages/google-cloud-vision/owlbot.py
index 4912eeb4d65e..cc957c285a7c 100644
--- a/packages/google-cloud-vision/owlbot.py
+++ b/packages/google-cloud-vision/owlbot.py
@@ -118,6 +118,8 @@
 # Work around bug in templates https://github.com/googleapis/synthtool/pull/1335
 s.replace(".github/workflows/unittest.yml", "--fail-under=100", "--fail-under=99")
 
+python.configure_previous_major_version_branches()
+
 # ----------------------------------------------------------------------------
 # Samples templates
 # ----------------------------------------------------------------------------