diff --git a/package.json b/package.json
index 8e24b0f..6eb04f6 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "@thinkdeep/k8s-manifest": "^2.0.1"
   },
   "devDependencies": {
-    "c8": "^7.11.3",
+    "c8": "^9.0.0",
     "chai": "^4.3.4",
     "chai-as-promised": "^7.1.1",
     "coveralls": "^3.1.1",