diff --git a/package.json b/package.json
index e6da35e..d1ac0c2 100644
--- a/package.json
+++ b/package.json
@@ -73,11 +73,11 @@
     "@iktakahiro/markdown-it-katex": "4.0.1",
     "ajv": "8.12.0",
     "ava": "6.0.1",
-    "c8": "9.1.0",
+    "c8": "10.0.0",
     "cpy": "11.0.0",
     "cpy-cli": "5.0.0",
-    "del": "7.1.0",
-    "eslint": "8.56.0",
+    "del": "8.0.0",
+    "eslint": "9.0.0",
     "eslint-plugin-n": "16.6.2",
     "eslint-plugin-unicorn": "50.0.1",
     "execa": "8.0.1",