diff --git a/packages/google-cloud-bigquery-connection/package.json b/packages/google-cloud-bigquery-connection/package.json
index 4a33f88694a..05528ac8523 100644
--- a/packages/google-cloud-bigquery-connection/package.json
+++ b/packages/google-cloud-bigquery-connection/package.json
@@ -42,7 +42,7 @@
     "google-gax": "^2.6.1"
   },
   "devDependencies": {
-    "@types/mocha": "^7.0.2",
+    "@types/mocha": "^8.0.0",
     "@types/node": "^14.0.13",
     "@types/sinon": "^9.0.4",
     "c8": "^7.2.0",