diff --git a/.github/release-please.yml b/.github/release-please.yml
deleted file mode 100644
index 466597e5..00000000
--- 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 1bc72718..00000000
--- a/.github/release-trigger.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-enabled: true
-multiScmName: proto-plus-python
diff --git a/.github/sync-repo-settings.yaml b/.github/sync-repo-settings.yaml
deleted file mode 100644
index e0e29f08..00000000
--- a/.github/sync-repo-settings.yaml
+++ /dev/null
@@ -1,46 +0,0 @@
-rebaseMergeAllowed: false
-squashMergeAllowed: true
-mergeCommitAllowed: false
-branchProtectionRules:
-- pattern: main
-  isAdminEnforced: true
-  requiredStatusCheckContexts:
-    - 'style-check'
-    - 'docs'
-    - 'lint'
-    - 'unit (3.7, cpp)'
-    - 'unit (3.7, python)'
-    - 'unit (3.7, upb)'
-    - 'unit (3.8, cpp)'
-    - 'unit (3.8, python)'
-    - 'unit (3.8, upb)'
-    - 'unit (3.9, cpp)'
-    - 'unit (3.9, python)'
-    - 'unit (3.9, upb)'
-    - 'unit (3.10, cpp)'
-    - 'unit (3.10, python)'
-    - 'unit (3.10, upb)'
-    - 'unit (pypy3.10, python)'
-    - 'unit (3.11, python)'
-    - 'unit (3.11, upb)'
-    - 'unit (3.12, python)'
-    - 'unit (3.12, upb)'
-    - 'unit (3.13, python)'
-    - 'unit (3.13, upb)'
-    - 'unit (3.14, python)'
-    - 'unit (3.14, upb)'
-    - 'prerelease (3.14, python)'
-    - 'prerelease (3.14, upb)'
-    - cover
-    - OwlBot Post Processor
-    - 'cla/google'
-  requiredApprovingReviewCount: 1
-  requiresCodeOwnerReviews: true
-  requiresStrictStatusChecks: true
-permissionRules:
-  - team: yoshi-python
-    permission: push
-  - team: actools
-    permission: admin
-  - team: actools-python
-    permission: push
diff --git a/.librarian/state.yaml b/.librarian/state.yaml
new file mode 100644
index 00000000..7705ed2d
--- /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@sha256:8e2c32496077054105bd06c54a59d6a6694287bc053588e24debe6da6920ad91
+libraries:
+  - id: proto-plus
+    version: 1.26.1
+    apis: []
+    source_roots:
+      - .
+    preserve_regex: []
+    remove_regex: []
+    tag_format: v{version}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0dea7c1..0bc4e9ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+[PyPI History][1]
+
+[1]: https://pypi.org/project/proto-plus/#history
+
 ## [1.26.1](https://github.com/googleapis/proto-plus-python/compare/v1.26.0...v1.26.1) (2025-03-05)