diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 4d586c420..de4fa0a5d 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,4 +1,4 @@
-# Copyright 2022 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest
-  digest: sha256:b15a6f06cc06dcffa11e1bebdf1a74b6775a134aac24a0f86f51ddf728eb373e
-# created: 2022-08-26T22:34:55.905845397Z
+  digest: sha256:ef104a520c849ffde60495342ecf099dfb6256eab0fbd173228f447bc73d1aa9
+# created: 2023-07-10T21:36:52.433664553Z
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f447b84ab..bd813c792 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [12, 14, 16]
+        node: [12, 14, 16, 18]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3