diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index de9173d95..6610882f8 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:d4b80feffe1579818cdc39466152e9de95789a193408506cd4a1ffbe8804dc00
-# created: 2022-07-13T13:53:17.676447481Z
+  digest: sha256:04f254abfe5f47fe73ae6f91d68d55c3b76e722a4943066c3bb0ce03573b4ad9
+# created: 2022-07-18T21:44:23.94208526Z
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 0bcf47a66..04d88604a 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -6,7 +6,10 @@
 
 # The @googleapis/api-pubsub is the default owner for changes in this repo
 *                       @googleapis/yoshi-java @googleapis/api-pubsub
+
+# for handwritten libraries, keep codeowner_team in .repo-metadata.json as owner
 **/*.java               @googleapis/api-pubsub
 
+
 # The java-samples-reviewers team is the default owner for samples changes
 samples/**/*.java       @googleapis/java-samples-reviewers