diff --git a/package.json b/package.json
index 446fd30f..4a483157 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "@types/sinon": "^10.0.0",
     "@types/uuid": "^9.0.0",
     "bignumber.js": "^9.0.0",
-    "c8": "^9.0.0",
+    "c8": "^10.0.0",
     "codecov": "^3.6.5",
     "gapic-tools": "^0.4.0",
     "gts": "^5.0.0",