diff --git a/package-lock.json b/package-lock.json
index bfc92b0e..cbf9d01e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
       },
       "devDependencies": {
         "ava": "6.4.1",
-        "c8": "11.0.0",
+        "c8": "12.0.0",
         "nock": "14.0.16",
         "prettier": "3.8.5",
         "semantic-release": "25.0.8",
@@ -1448,9 +1448,9 @@
       }
     },
     "node_modules/c8": {
-      "version": "11.0.0",
-      "resolved": "https://registry.npmjs.org/c8/-/c8-11.0.0.tgz",
-      "integrity": "sha512-e/uRViGHSVIJv7zsaDKM7VRn2390TgHXqUSvYwPHBQaU6L7E9L0n9JbdkwdYPvshDT0KymBmmlwSpms3yBaMNg==",
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-12.0.0.tgz",
+      "integrity": "sha512-4zpJvrd1nKWutnnKC2pXkFmb6iM1l+ffN//o1CzlTNwW7GSOs9a1xrLqkC48nU8oEkjmPZLPiwMsIaOvoF4Pqg==",
       "dev": true,
       "license": "ISC",
       "dependencies": {
@@ -1463,14 +1463,14 @@
         "istanbul-reports": "^3.1.6",
         "test-exclude": "^8.0.0",
         "v8-to-istanbul": "^9.0.0",
-        "yargs": "^17.7.2",
+        "yargs": "^18.0.0",
         "yargs-parser": "^21.1.1"
       },
       "bin": {
         "c8": "bin/c8.js"
       },
       "engines": {
-        "node": "20 || >=22"
+        "node": "^20.19.0 || ^22.12.0 || >=23"
       },
       "peerDependencies": {
         "monocart-coverage-reports": "^2"
@@ -1481,6 +1481,67 @@
         }
       }
     },
+    "node_modules/c8/node_modules/cliui": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-9.0.1.tgz",
+      "integrity": "sha512-k7ndgKhwoQveBL+/1tqGJYNz097I7WOvwbmmU2AR5+magtbjPWQTS1C5vzGkBC8Ym8UWRzfKUzUUqFLypY4Q+w==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "string-width": "^7.2.0",
+        "strip-ansi": "^7.1.0",
+        "wrap-ansi": "^9.0.0"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/c8/node_modules/wrap-ansi": {
+      "version": "9.0.2",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-9.0.2.tgz",
+      "integrity": "sha512-42AtmgqjV+X1VpdOfyTGOYRi0/zsoLqtXQckTmqTeybT+BDIbM/Guxo7x3pE2vtpr1ok6xRqM9OpBe+Jyoqyww==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^6.2.1",
+        "string-width": "^7.0.0",
+        "strip-ansi": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
+    "node_modules/c8/node_modules/yargs": {
+      "version": "18.0.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-18.0.0.tgz",
+      "integrity": "sha512-4UEqdc2RYGHZc7Doyqkrqiln3p9X2DZVxaGbwhn2pi7MrRagKaOcIKe8L3OxYcbhXLgLFUS3zAYuQjKBQgmuNg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cliui": "^9.0.1",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "string-width": "^7.2.0",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^22.0.0"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=23"
+      }
+    },
+    "node_modules/c8/node_modules/yargs/node_modules/yargs-parser": {
+      "version": "22.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-22.0.0.tgz",
+      "integrity": "sha512-rwu/ClNdSMpkSrUb+d6BRsSkLUq1fmfsY6TOpYzTwvwkg1/NRG85KBy3kq++A8LKQwX6lsu+aWad+2khvuXrqw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=23"
+      }
+    },
     "node_modules/cacheable-lookup": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/cacheable-lookup/-/cacheable-lookup-7.0.0.tgz",
diff --git a/package.json b/package.json
index e1a0d961..f472bcf5 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "ava": "6.4.1",
-    "c8": "11.0.0",
+    "c8": "12.0.0",
     "nock": "14.0.16",
     "prettier": "3.8.5",
     "semantic-release": "25.0.8",