diff --git a/tools/node_modules/eslint/node_modules/flat-cache/package.json b/tools/node_modules/eslint/node_modules/flat-cache/package.json
index b7b9eb00b934f9..ad3c75a34e585d 100644
--- a/tools/node_modules/eslint/node_modules/flat-cache/package.json
+++ b/tools/node_modules/eslint/node_modules/flat-cache/package.json
@@ -42,7 +42,7 @@
     "cache"
   ],
   "devDependencies": {
-    "c8": "^7.14.0",
+    "c8": "^9.0.0",
     "chai": "^4.3.10",
     "eslint": "^7.13.0",
     "eslint-config-prettier": "^6.15.0",