diff --git a/packages/google-cloud-vmmigration/package.json b/packages/google-cloud-vmmigration/package.json
index 3368c637b8b..69fab7379a4 100644
--- a/packages/google-cloud-vmmigration/package.json
+++ b/packages/google-cloud-vmmigration/package.json
@@ -43,7 +43,7 @@
     "google-gax": "^2.12.0"
   },
   "devDependencies": {
-    "@types/mocha": "^8.2.2",
+    "@types/mocha": "^9.0.0",
     "@types/node": "^16.0.0",
     "@types/sinon": "^10.0.0",
     "c8": "^7.7.2",
@@ -52,7 +52,7 @@
     "jsdoc-fresh": "^1.0.2",
     "jsdoc-region-tag": "^1.0.6",
     "linkinator": "^2.13.6",
-    "mocha": "^8.4.0",
+    "mocha": "^9.0.0",
     "null-loader": "^4.0.1",
     "pack-n-play": "^1.0.0-2",
     "sinon": "^12.0.0",
diff --git a/packages/google-cloud-vmmigration/samples/package.json b/packages/google-cloud-vmmigration/samples/package.json
index 171f65fac7b..d580cc65828 100644
--- a/packages/google-cloud-vmmigration/samples/package.json
+++ b/packages/google-cloud-vmmigration/samples/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "c8": "^7.0.0",
     "chai": "^4.2.0",
-    "mocha": "^8.0.0",
+    "mocha": "^9.0.0",
     "uuid": "^8.0.0"
   }
 }