diff --git a/appengine/building-an-app/update/package.json b/appengine/building-an-app/update/package.json
index a43239125b..5fe5940176 100644
--- a/appengine/building-an-app/update/package.json
+++ b/appengine/building-an-app/update/package.json
@@ -24,6 +24,6 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   }
 }
diff --git a/appengine/cloudsql/package.json b/appengine/cloudsql/package.json
index a9eb977560..fa3cbfc571 100644
--- a/appengine/cloudsql/package.json
+++ b/appengine/cloudsql/package.json
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.1.1",
     "supertest": "^4.0.0"
diff --git a/appengine/cloudsql_postgresql/package.json b/appengine/cloudsql_postgresql/package.json
index 25df2e1e50..bca4b9e8e5 100644
--- a/appengine/cloudsql_postgresql/package.json
+++ b/appengine/cloudsql_postgresql/package.json
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.1.1",
     "supertest": "^4.0.0"
diff --git a/appengine/endpoints/package.json b/appengine/endpoints/package.json
index a12f56868c..5758c23aea 100644
--- a/appengine/endpoints/package.json
+++ b/appengine/endpoints/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.1.1",
     "supertest": "^4.0.0"
diff --git a/appengine/hello-world/flexible/package.json b/appengine/hello-world/flexible/package.json
index fdf7ff05ff..5d73f2eddb 100644
--- a/appengine/hello-world/flexible/package.json
+++ b/appengine/hello-world/flexible/package.json
@@ -20,7 +20,7 @@
     "express": "^4.16.3"
   },
   "devDependencies": {
-    "mocha": "^6.2.0",
+    "mocha": "^7.0.0",
     "supertest": "^4.0.2"
   }
 }
diff --git a/appengine/hello-world/standard/package.json b/appengine/hello-world/standard/package.json
index 1c1a447e3f..c044d98e43 100644
--- a/appengine/hello-world/standard/package.json
+++ b/appengine/hello-world/standard/package.json
@@ -20,7 +20,7 @@
     "express": "^4.16.3"
   },
   "devDependencies": {
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "supertest": "^4.0.2"
   }
 }
diff --git a/appengine/pubsub/package.json b/appengine/pubsub/package.json
index 4280cec5c0..fb82bdc9e0 100644
--- a/appengine/pubsub/package.json
+++ b/appengine/pubsub/package.json
@@ -22,7 +22,7 @@
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "jsonwebtoken": "^8.5.1",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "sinon": "^7.3.1",
     "uuid": "^3.3.2"
   },
diff --git a/appengine/sendgrid/package.json b/appengine/sendgrid/package.json
index 3f7da62b04..fce6769b68 100644
--- a/appengine/sendgrid/package.json
+++ b/appengine/sendgrid/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "supertest": "^4.0.2"
   }
 }
diff --git a/appengine/storage/flexible/package.json b/appengine/storage/flexible/package.json
index dccbed1f12..397e45bb6c 100644
--- a/appengine/storage/flexible/package.json
+++ b/appengine/storage/flexible/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "cloud-repo-tools": {
     "requiresProjectId": true,
diff --git a/appengine/storage/standard/package.json b/appengine/storage/standard/package.json
index dccbed1f12..397e45bb6c 100644
--- a/appengine/storage/standard/package.json
+++ b/appengine/storage/standard/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "cloud-repo-tools": {
     "requiresProjectId": true,
diff --git a/appengine/twilio/package.json b/appengine/twilio/package.json
index ea465d4e7c..6abac9b7be 100644
--- a/appengine/twilio/package.json
+++ b/appengine/twilio/package.json
@@ -18,7 +18,7 @@
     "twilio": "^3.34.0"
   },
   "devDependencies": {
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.3.2",
     "supertest": "^4.0.2"
diff --git a/appengine/websockets/package.json b/appengine/websockets/package.json
index 3615625f32..aaa0bc745f 100644
--- a/appengine/websockets/package.json
+++ b/appengine/websockets/package.json
@@ -27,7 +27,7 @@
     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-prettier": "^3.0.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "puppeteer": "^2.0.0"
   },
   "cloud-repo-tools": {
diff --git a/auth/package.json b/auth/package.json
index 8c6cbf54df..5654fb77da 100644
--- a/auth/package.json
+++ b/auth/package.json
@@ -21,6 +21,6 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   }
 }
diff --git a/cloud-sql/mysql/mysql/package.json b/cloud-sql/mysql/mysql/package.json
index 808d133804..04afd94c75 100644
--- a/cloud-sql/mysql/mysql/package.json
+++ b/cloud-sql/mysql/mysql/package.json
@@ -25,7 +25,7 @@
     "winston": "^3.1.0"
   },
   "devDependencies": {
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "supertest": "^4.0.0",
     "sinon": "^7.1.1"
diff --git a/cloud-sql/postgres/knex/package.json b/cloud-sql/postgres/knex/package.json
index 91f22dc6e3..d45a9cc696 100644
--- a/cloud-sql/postgres/knex/package.json
+++ b/cloud-sql/postgres/knex/package.json
@@ -27,7 +27,7 @@
     "yargs": "^15.0.0"
   },
   "devDependencies": {
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "supertest": "^4.0.0"
   }
 }
diff --git a/cloud-tasks/app/package.json b/cloud-tasks/app/package.json
index d7d8bbaddd..506cb9ca2c 100644
--- a/cloud-tasks/app/package.json
+++ b/cloud-tasks/app/package.json
@@ -13,6 +13,6 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "mocha": "^6.1.3"
+    "mocha": "^7.0.0"
   }
 }
diff --git a/cloud-tasks/function/package.json b/cloud-tasks/function/package.json
index 4d365bcf77..0a22cda24e 100644
--- a/cloud-tasks/function/package.json
+++ b/cloud-tasks/function/package.json
@@ -13,7 +13,7 @@
     "@sendgrid/mail": "^6.4.0"
   },
   "devDependencies": {
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.0.0"
   }
diff --git a/datacatalog/cloud-client/package.json b/datacatalog/cloud-client/package.json
index 2aa37d4ffa..a51a50f9b1 100644
--- a/datacatalog/cloud-client/package.json
+++ b/datacatalog/cloud-client/package.json
@@ -13,7 +13,7 @@
     "test": "mocha system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "uuid": "^3.1.0"
   },
   "dependencies": {
diff --git a/datastore/functions/package.json b/datastore/functions/package.json
index 096bc4b9db..98465a6170 100644
--- a/datastore/functions/package.json
+++ b/datastore/functions/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "@google-cloud/functions-framework": "^1.1.1",
     "child-process-promise": "^2.2.1",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "request": "^2.88.0",
     "requestretry": "^4.0.0",
diff --git a/endpoints/getting-started-grpc/package.json b/endpoints/getting-started-grpc/package.json
index 2f24d64e8b..2d3ab01592 100644
--- a/endpoints/getting-started-grpc/package.json
+++ b/endpoints/getting-started-grpc/package.json
@@ -25,7 +25,7 @@
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "delay": "^4.2.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "cloud-repo-tools": {
     "requiresKeyFile": true,
diff --git a/endpoints/getting-started/package.json b/endpoints/getting-started/package.json
index 67df08f879..d9226bff3e 100644
--- a/endpoints/getting-started/package.json
+++ b/endpoints/getting-started/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.2.7",
     "supertest": "^4.0.0"
diff --git a/functions/background/package.json b/functions/background/package.json
index 6dea6943ca..52dc8981dc 100644
--- a/functions/background/package.json
+++ b/functions/background/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "@google-cloud/functions-framework": "^1.1.1",
     "child-process-promise": "^2.2.1",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "requestretry": "^4.0.0"
   },
   "cloud-repo-tools": {
diff --git a/functions/billing/package.json b/functions/billing/package.json
index 95c7e9c18e..1a6c00cca6 100644
--- a/functions/billing/package.json
+++ b/functions/billing/package.json
@@ -21,7 +21,7 @@
     "@google-cloud/functions-framework": "^1.1.1",
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "child-process-promise": "^2.2.1",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "promise-retry": "^1.1.1",
     "proxyquire": "^2.1.0",
     "request": "^2.88.0",
diff --git a/functions/composer-storage-trigger/package.json b/functions/composer-storage-trigger/package.json
index a94165e34a..f94d89b89b 100644
--- a/functions/composer-storage-trigger/package.json
+++ b/functions/composer-storage-trigger/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.2.7"
   },
diff --git a/functions/concepts/package.json b/functions/concepts/package.json
index 865641b6bd..2e965de51d 100644
--- a/functions/concepts/package.json
+++ b/functions/concepts/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "sinon": "^7.0.0",
     "supertest": "^4.0.0"
   },
diff --git a/functions/env_vars/package.json b/functions/env_vars/package.json
index 6b5157ea8e..24b2c0bd02 100644
--- a/functions/env_vars/package.json
+++ b/functions/env_vars/package.json
@@ -17,7 +17,7 @@
   "dependencies": {},
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "sinon": "^7.2.7"
   },
   "cloud-repo-tools": {
diff --git a/functions/firebase/package.json b/functions/firebase/package.json
index 806673ef30..1a76359195 100644
--- a/functions/firebase/package.json
+++ b/functions/firebase/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.2.7",
     "supertest": "^4.0.0",
diff --git a/functions/helloworld/package.json b/functions/helloworld/package.json
index 9974e1666a..dd24a7fc66 100644
--- a/functions/helloworld/package.json
+++ b/functions/helloworld/package.json
@@ -29,7 +29,7 @@
     "@google-cloud/storage": "^4.0.0",
     "child-process-promise": "^2.2.1",
     "express": "^4.16.3",
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "moment": "^2.24.0",
     "promise-retry": "^1.1.1",
     "proxyquire": "^2.1.0",
diff --git a/functions/http/package.json b/functions/http/package.json
index 9e21fdc82f..412b69528a 100644
--- a/functions/http/package.json
+++ b/functions/http/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.0.0",
     "uuid": "^3.3.2"
diff --git a/functions/imagemagick/package.json b/functions/imagemagick/package.json
index 081a3fae07..2fa40c4410 100644
--- a/functions/imagemagick/package.json
+++ b/functions/imagemagick/package.json
@@ -23,7 +23,7 @@
     "@google-cloud/functions-framework": "^1.1.1",
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "child-process-promise": "^2.2.1",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "request": "^2.88.0",
     "requestretry": "^4.0.0",
diff --git a/functions/log/package.json b/functions/log/package.json
index f926a42e37..f069bc0c5e 100644
--- a/functions/log/package.json
+++ b/functions/log/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.2.7"
   },
diff --git a/functions/memorystore/redis/package.json b/functions/memorystore/redis/package.json
index 43f18fb060..cad1212d8e 100644
--- a/functions/memorystore/redis/package.json
+++ b/functions/memorystore/redis/package.json
@@ -19,7 +19,7 @@
     "redis": "^2.8.0"
   },
   "devDependencies": {
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "sinon": "^7.3.2"
   }
 }
diff --git a/functions/node8/package.json b/functions/node8/package.json
index 436fadfcb4..e9b7df39b7 100644
--- a/functions/node8/package.json
+++ b/functions/node8/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.0.0",
     "uuid": "^3.3.2"
diff --git a/functions/ocr/app/package.json b/functions/ocr/app/package.json
index 937f58e7bd..a4cab9239c 100644
--- a/functions/ocr/app/package.json
+++ b/functions/ocr/app/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "cloud-repo-tools": {
     "requiresKeyFile": true,
diff --git a/functions/pubsub/package.json b/functions/pubsub/package.json
index ecdca0da72..4f3481ef75 100644
--- a/functions/pubsub/package.json
+++ b/functions/pubsub/package.json
@@ -21,7 +21,7 @@
     "@google-cloud/functions-framework": "^1.3.2",
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "child-process-promise": "^2.2.1",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "request": "^2.88.0",
     "requestretry": "^4.0.0"
   },
diff --git a/functions/scheduleinstance/package.json b/functions/scheduleinstance/package.json
index 941b91de02..720327adfc 100644
--- a/functions/scheduleinstance/package.json
+++ b/functions/scheduleinstance/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.0.0",
     "sinon": "^7.0.0"
   },
diff --git a/functions/sendgrid/package.json b/functions/sendgrid/package.json
index dc18312b27..98e4dec584 100644
--- a/functions/sendgrid/package.json
+++ b/functions/sendgrid/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.0.0"
   },
diff --git a/functions/slack/package.json b/functions/slack/package.json
index 8145394547..d36afcc7f0 100644
--- a/functions/slack/package.json
+++ b/functions/slack/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.2.7"
   },
diff --git a/functions/spanner/package.json b/functions/spanner/package.json
index 5bfd0ae5ef..ea6b18ed28 100644
--- a/functions/spanner/package.json
+++ b/functions/spanner/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.2.7"
   },
diff --git a/functions/speech-to-speech/functions/package.json b/functions/speech-to-speech/functions/package.json
index f5f4300d5f..635bd93594 100644
--- a/functions/speech-to-speech/functions/package.json
+++ b/functions/speech-to-speech/functions/package.json
@@ -45,7 +45,7 @@
     "@google-cloud/functions-framework": "^1.1.1",
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "child-process-promise": "^2.2.1",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "request": "^2.88.0",
     "requestretry": "^4.0.0"
   },
diff --git a/functions/sql/package.json b/functions/sql/package.json
index 096f17eb65..f63135577b 100644
--- a/functions/sql/package.json
+++ b/functions/sql/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.3.0"
   },
diff --git a/functions/tips/package.json b/functions/tips/package.json
index 8f55bd2095..92396c4bf7 100644
--- a/functions/tips/package.json
+++ b/functions/tips/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "sinon": "^7.0.0"
   },
   "cloud-repo-tools": {
diff --git a/functions/tokenservice/functions/package.json b/functions/tokenservice/functions/package.json
index 0bf2d81a34..fc5cd5d025 100644
--- a/functions/tokenservice/functions/package.json
+++ b/functions/tokenservice/functions/package.json
@@ -27,7 +27,7 @@
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-promise": "^4.0.1",
-    "mocha": "^6.0.2",
+    "mocha": "^7.0.0",
     "prettier": "1.19.1",
     "supertest": "^4.0.0"
   },
diff --git a/healthcare/datasets/package.json b/healthcare/datasets/package.json
index 5995790007..659c387f9d 100644
--- a/healthcare/datasets/package.json
+++ b/healthcare/datasets/package.json
@@ -13,7 +13,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "dependencies": {
     "googleapis": "^46.0.0",
diff --git a/healthcare/dicom/package.json b/healthcare/dicom/package.json
index 1240cd1814..7bf37168b5 100644
--- a/healthcare/dicom/package.json
+++ b/healthcare/dicom/package.json
@@ -15,7 +15,7 @@
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "@google-cloud/pubsub": "^1.0.0",
     "@google-cloud/storage": "^4.0.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "dependencies": {
     "googleapis": "^46.0.0",
diff --git a/healthcare/fhir/package.json b/healthcare/fhir/package.json
index 8ab0996acc..5ed66d9cf6 100644
--- a/healthcare/fhir/package.json
+++ b/healthcare/fhir/package.json
@@ -15,7 +15,7 @@
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "@google-cloud/pubsub": "^1.0.0",
     "@google-cloud/storage": "^4.0.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "dependencies": {
     "googleapis": "^46.0.0",
diff --git a/healthcare/hl7v2/package.json b/healthcare/hl7v2/package.json
index 97fff9795d..3fb7c74958 100644
--- a/healthcare/hl7v2/package.json
+++ b/healthcare/hl7v2/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "@google-cloud/pubsub": "^1.0.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "dependencies": {
     "googleapis": "^46.0.0",
diff --git a/iot/http_example/package.json b/iot/http_example/package.json
index 6992ec7c6f..24a3153d66 100644
--- a/iot/http_example/package.json
+++ b/iot/http_example/package.json
@@ -26,7 +26,7 @@
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "@google-cloud/pubsub": "^1.0.0",
     "googleapis": "^46.0.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "uuid": "^3.3.2"
   }
 }
diff --git a/iot/manager/package.json b/iot/manager/package.json
index 6de0bba9f9..6363ae563f 100644
--- a/iot/manager/package.json
+++ b/iot/manager/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.2.2",
+    "mocha": "^7.0.0",
     "uuid": "^3.3.2"
   },
   "cloud-repo-tools": {
diff --git a/iot/mqtt_example/package.json b/iot/mqtt_example/package.json
index 143df48696..03e8eeddf5 100644
--- a/iot/mqtt_example/package.json
+++ b/iot/mqtt_example/package.json
@@ -25,7 +25,7 @@
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "@google-cloud/pubsub": "^1.0.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "uuid": "^3.3.2"
   }
 }
diff --git a/jobs/v2/package.json b/jobs/v2/package.json
index faf48c00e8..c6a9ee0a63 100644
--- a/jobs/v2/package.json
+++ b/jobs/v2/package.json
@@ -20,6 +20,6 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   }
 }
diff --git a/jobs/v3/package.json b/jobs/v3/package.json
index f6a8d3873f..f596099c10 100644
--- a/jobs/v3/package.json
+++ b/jobs/v3/package.json
@@ -22,6 +22,6 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   }
 }
diff --git a/opencensus/package.json b/opencensus/package.json
index 614a14b74b..56204095b7 100644
--- a/opencensus/package.json
+++ b/opencensus/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
-    "mocha": "^6.0.0"
+    "mocha": "^7.0.0"
   },
   "cloud-repo-tools": {
     "requiresKeyFile": true,
diff --git a/run/hello-broken/package.json b/run/hello-broken/package.json
index 556736ea32..f924863550 100644
--- a/run/hello-broken/package.json
+++ b/run/hello-broken/package.json
@@ -18,6 +18,6 @@
   },
   "devDependencies": {
     "got": "^9.6.0",
-    "mocha": "^6.2.1"
+    "mocha": "^7.0.0"
   }
 }
diff --git a/run/image-processing/package.json b/run/image-processing/package.json
index cf72620419..42af811387 100644
--- a/run/image-processing/package.json
+++ b/run/image-processing/package.json
@@ -25,7 +25,7 @@
     "gm": "^1.23.1"
   },
   "devDependencies": {
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "supertest": "^4.0.2"
   }
 }
diff --git a/run/logging-manual/package.json b/run/logging-manual/package.json
index 5a5ee790b6..56d57e3b6e 100644
--- a/run/logging-manual/package.json
+++ b/run/logging-manual/package.json
@@ -20,6 +20,6 @@
   },
   "devDependencies": {
     "@google-cloud/logging": "^7.0.0",
-    "mocha": "^6.1.4"
+    "mocha": "^7.0.0"
   }
 }
diff --git a/run/pubsub/package.json b/run/pubsub/package.json
index 21406a7cd9..2718044d03 100644
--- a/run/pubsub/package.json
+++ b/run/pubsub/package.json
@@ -22,7 +22,7 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "sinon": "^7.3.2",
     "supertest": "^4.0.2",
     "uuid": "^3.3.2"
diff --git a/run/system-package/package.json b/run/system-package/package.json
index ad013ce95e..01320a72e7 100644
--- a/run/system-package/package.json
+++ b/run/system-package/package.json
@@ -12,7 +12,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "mocha": "^6.2.0",
+    "mocha": "^7.0.0",
     "supertest": "^4.0.2"
   }
 }
diff --git a/storage-transfer/package.json b/storage-transfer/package.json
index f6b5f988bc..98211b9baa 100644
--- a/storage-transfer/package.json
+++ b/storage-transfer/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "@google-cloud/storage": "^4.0.0",
-    "mocha": "^6.0.0",
+    "mocha": "^7.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.2.7",
     "uuid": "^3.3.2"