diff --git a/package.json b/package.json
index a35a713..59e5406 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "@types/proxyquire": "^1.3.28",
     "@types/uuid": "^9.0.0",
     "bunyan": "^1.8.12",
-    "c8": "^8.0.1",
+    "c8": "^9.0.0",
     "codecov": "^3.0.2",
     "cpy-cli": "^4.0.0",
     "delay": "^5.0.0",