diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 8807efcad4b..a8ddd81ae94 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:7c853edc4136ae8f19f9d46d4569d38de2e446db2eea057f32e412bdba255846
+  digest: sha256:ebc2104854c5b81c6fd72ca79400a2e20e0d510c5e0654fd1a19e5c9be160ca6
diff --git a/.github/workflows/approve-readme.yaml b/.github/workflows/approve-readme.yaml
index c5132427982..1bb18232761 100644
--- a/.github/workflows/approve-readme.yaml
+++ b/.github/workflows/approve-readme.yaml
@@ -1,3 +1,18 @@
+# Copyright 2022 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.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   pull_request:
 name: auto-merge-readme
diff --git a/.github/workflows/auto-release.yaml b/.github/workflows/auto-release.yaml
index 59c7cadde31..2ba3082bee2 100644
--- a/.github/workflows/auto-release.yaml
+++ b/.github/workflows/auto-release.yaml
@@ -1,3 +1,18 @@
+# Copyright 2022 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.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   pull_request:
 name: auto-release
@@ -16,8 +31,8 @@ jobs:
             return;
           }
 
-          // only approve PRs like "chore: release <release version>"
-          if ( !context.payload.pull_request.title.startsWith("chore: release") ) {
+          // only approve PRs like "chore(main): release <release version>"
+          if (  !context.payload.pull_request.title.startsWith("chore(main): release") ) {
             return;
           }
 
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 05de1f60dcf..6b5e56aaacd 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,3 +1,18 @@
+# Copyright 2022 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.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   push:
     branches:
diff --git a/.kokoro/build.bat b/.kokoro/build.bat
index 05826ad93fe..cc602c9eba8 100644
--- a/.kokoro/build.bat
+++ b/.kokoro/build.bat
@@ -1,3 +1,18 @@
 :: See documentation in type-shell-output.bat
+# Copyright 2022 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.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 
 "C:\Program Files\Git\bin\bash.exe" %~dp0build.sh
diff --git a/README.md b/README.md
index 6779605fedc..2b8bdddb056 100644
--- a/README.md
+++ b/README.md
@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-spanner'
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-spanner:6.17.4'
+implementation 'com.google.cloud:google-cloud-spanner:6.18.0'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-spanner" % "6.17.4"
+libraryDependencies += "com.google.cloud" % "google-cloud-spanner" % "6.18.0"
 ```
 
 ## Authentication