diff --git a/package.json b/package.json
index 0205e6f..95b58a9 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "author": "Sofiia Antypenko <sophia@antipenko.pp.ua>",
   "license": "MIT",
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.1.0",
     "eslint": "^8.5.0",
     "mocha": "^10.1.0",
     "should": "^13.0.0"