diff --git a/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml b/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml
index 649877dc494c..b771c37caef8 100644
--- a/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml
+++ b/packages/google-cloud-texttospeech/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-python:latest
-  digest: sha256:50e35228649c47b6ca82aa0be3ff9eb2afce51c82b66c4a03fe4afeb5ff6c0fc
+  digest: sha256:a1a891041baa4ffbe1a809ac1b8b9b4a71887293c9101c88e8e255943c5aec2d
diff --git a/packages/google-cloud-texttospeech/docs/conf.py b/packages/google-cloud-texttospeech/docs/conf.py
index 59799a91b40e..16ba49791f4b 100644
--- a/packages/google-cloud-texttospeech/docs/conf.py
+++ b/packages/google-cloud-texttospeech/docs/conf.py
@@ -110,6 +110,7 @@
 # directories to ignore when looking for source files.
 exclude_patterns = [
     "_build",
+    "**/.nox/**/*",
     "samples/AUTHORING_GUIDE.md",
     "samples/CONTRIBUTING.md",
     "samples/snippets/README.rst",