diff --git a/package.json b/package.json
index 342ddb7eb..e8e342bc4 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,7 @@
     "@types/tmp": "0.2.6",
     "@types/uuid": "^8.0.0",
     "@types/yargs": "^17.0.10",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "form-data": "^4.0.0",
     "gapic-tools": "^0.2.0",
     "gts": "^5.0.0",