diff --git a/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml b/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml
index 44c78f7cc12d..88076277a251 100644
--- a/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml
+++ b/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml
@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:4e1991042fe54b991db9ca17c8fb386e61b22fe4d1472a568bf0fcac85dcf5d3
+  digest: sha256:2d13c2172a5d6129c861edaa48b60ead15aeaf58aa75e02d870c4cbdfa63aaba
diff --git a/packages/google-cloud-texttospeech/.github/release-please.yml b/packages/google-cloud-texttospeech/.github/release-please.yml
index 466597e5b196..29601ad4692c 100644
--- a/packages/google-cloud-texttospeech/.github/release-please.yml
+++ b/packages/google-cloud-texttospeech/.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