diff --git a/package.json b/package.json
index 1e341a8..96c0b31 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@putout/eslint-flat": "^2.0.0",
     "@putout/plugin-goldstein": "./rules/goldstein",
     "@putout/test": "^10.0.0",
-    "c8": "^9.1.0",
+    "c8": "^10.0.0",
     "check-dts": "^0.8.0",
     "esbuild": "^0.21.1",
     "esbuild-node-builtins": "^0.1.0",