diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
deleted file mode 100644
index 8e6bb54..0000000
--- a/.github/.OwlBot.lock.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright 2025 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-docker:
-  image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:5581906b957284864632cde4e9c51d1cc66b0094990b27e689132fe5cd036046
-# created: 2025-03-05
\ No newline at end of file
diff --git a/.github/.OwlBot.yaml b/.github/.OwlBot.yaml
deleted file mode 100644
index ed6155a..0000000
--- a/.github/.OwlBot.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
-# Copyright 2021 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-docker:
-  image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-
-begin-after-commit-hash: ee56c3493ec6aeb237ff515ecea949710944a20f
diff --git a/.github/release-please.yml b/.github/release-please.yml
deleted file mode 100644
index 466597e..0000000
--- a/.github/release-please.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-releaseType: python
-handleGHRelease: true
diff --git a/.github/release-trigger.yml b/.github/release-trigger.yml
deleted file mode 100644
index 5443d4c..0000000
--- a/.github/release-trigger.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-enabled: true
-multiScmName: google-auth-library-python-oauthlib
diff --git a/.librarian/config.yaml b/.librarian/config.yaml
new file mode 100644
index 0000000..111f94d
--- /dev/null
+++ b/.librarian/config.yaml
@@ -0,0 +1,6 @@
+global_files_allowlist:
+  # Allow the container to read and write the root `CHANGELOG.md`
+  # file during the `release` step to update the latest client library
+  # versions which are hardcoded in the file.
+  - path: "CHANGELOG.md"
+    permissions: "read-write"
diff --git a/.librarian/state.yaml b/.librarian/state.yaml
new file mode 100644
index 0000000..037948c
--- /dev/null
+++ b/.librarian/state.yaml
@@ -0,0 +1,10 @@
+image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator:latest
+libraries:
+  - id: google-auth-oauthlib
+    version: 1.2.3
+    apis: []
+    source_roots:
+      - .
+    preserve_regex: []
+    remove_regex: []
+    tag_format: v{version}