diff --git a/packages/google-cloud-kms-inventory/samples/package.json b/packages/google-cloud-kms-inventory/samples/package.json
index 2f8e6869f67..52aad3c3b91 100644
--- a/packages/google-cloud-kms-inventory/samples/package.json
+++ b/packages/google-cloud-kms-inventory/samples/package.json
@@ -19,6 +19,6 @@
   "devDependencies": {
     "c8": "^9.0.0",
     "chai": "^4.2.0",
-    "mocha": "^8.0.0"
+    "mocha": "^9.0.0"
   }
 }
diff --git a/packages/google-cloud-policytroubleshooter-iam/samples/package.json b/packages/google-cloud-policytroubleshooter-iam/samples/package.json
index 0af52d1fbcf..c4da5f61a0a 100644
--- a/packages/google-cloud-policytroubleshooter-iam/samples/package.json
+++ b/packages/google-cloud-policytroubleshooter-iam/samples/package.json
@@ -19,6 +19,6 @@
   "devDependencies": {
     "c8": "^9.0.0",
     "chai": "^4.2.0",
-    "mocha": "^8.0.0"
+    "mocha": "^9.0.0"
   }
 }
diff --git a/packages/google-cloud-sql/samples/package.json b/packages/google-cloud-sql/samples/package.json
index e0a6aa37dd2..0e1b818cede 100644
--- a/packages/google-cloud-sql/samples/package.json
+++ b/packages/google-cloud-sql/samples/package.json
@@ -19,6 +19,6 @@
   "devDependencies": {
     "c8": "^9.0.0",
     "chai": "^4.2.0",
-    "mocha": "^8.0.0"
+    "mocha": "^9.0.0"
   }
 }
diff --git a/packages/google-devtools-containeranalysis/samples/package.json b/packages/google-devtools-containeranalysis/samples/package.json
index 7b7108b56ef..c483987f36d 100644
--- a/packages/google-devtools-containeranalysis/samples/package.json
+++ b/packages/google-devtools-containeranalysis/samples/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "mocha": "^8.0.0",
+    "mocha": "^9.0.0",
     "uuid": "^9.0.0"
   }
 }