diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index e7c45fd3..26e91bb2 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-nodejs:latest
-  digest: sha256:c9c7828c165b1985579098978877935ee52dda2b1b538087514fd24fa2443e7a
+  digest: sha256:e59b73e911585903ee6b8a1c5246e93d9e9463420f597b6eb2e4b616ee8a0fee
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index dbcdc7ce..f033c0d2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -24,6 +24,8 @@ jobs:
       - run: rm -rf node_modules
       - run: npm install
       - run: npm test
+        env:
+          MOCHA_THROW_DEPRECATION: false
   windows:
     runs-on: windows-latest
     steps:
@@ -33,6 +35,8 @@ jobs:
           node-version: 14
       - run: npm install
       - run: npm test
+        env:
+          MOCHA_THROW_DEPRECATION: false
   lint:
     runs-on: ubuntu-latest
     steps:
diff --git a/.kokoro/test.sh b/.kokoro/test.sh
index 5d6383fc..b5646aeb 100755
--- a/.kokoro/test.sh
+++ b/.kokoro/test.sh
@@ -32,6 +32,9 @@ if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"continuous"* ]] || [[ $KOKORO_BUILD_ART
   }
   trap cleanup EXIT HUP
 fi
+# Unit tests exercise the entire API surface, which may include
+# deprecation warnings:
+export MOCHA_THROW_DEPRECATION=false
 npm test
 
 # codecov combines coverage across integration and unit tests. Include