diff --git a/package-lock.json b/package-lock.json
index b2acc9aa..d0047b58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
       },
       "devDependencies": {
         "ava": "8.0.1",
-        "c8": "11.0.0",
+        "c8": "12.0.0",
         "cpy": "13.2.2",
         "cz-conventional-changelog": "3.3.0",
         "fetch-mock": "npm:@gr2m/fetch-mock@9.11.0-pull-request-644.1",
@@ -2471,9 +2471,9 @@
       }
     },
     "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": {
@@ -2486,14 +2486,14 @@
         "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"
@@ -2504,99 +2504,6 @@
         }
       }
     },
-    "node_modules/c8/node_modules/ansi-styles": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
-      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "color-convert": "^2.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      },
-      "funding": {
-        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
-      }
-    },
-    "node_modules/c8/node_modules/cliui": {
-      "version": "8.0.1",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz",
-      "integrity": "sha512-BSeNnyus75C4//NQ9gQt1/csTXyo/8Sb+afLAkzAptFuMsod9HFokGNudZpi/oQV73hnVK+sR+5PVRMd+Dr7YQ==",
-      "dev": true,
-      "license": "ISC",
-      "dependencies": {
-        "string-width": "^4.2.0",
-        "strip-ansi": "^6.0.1",
-        "wrap-ansi": "^7.0.0"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/c8/node_modules/is-fullwidth-code-point": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
-      "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/c8/node_modules/string-width": {
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
-      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "emoji-regex": "^8.0.0",
-        "is-fullwidth-code-point": "^3.0.0",
-        "strip-ansi": "^6.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/c8/node_modules/wrap-ansi": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
-      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "ansi-styles": "^4.0.0",
-        "string-width": "^4.1.0",
-        "strip-ansi": "^6.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
-      }
-    },
-    "node_modules/c8/node_modules/yargs": {
-      "version": "17.7.3",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.3.tgz",
-      "integrity": "sha512-GZtjxm/J/4TSxuL3FNYjCmLktBTnIw/rVmKSIyKeYAZpmJB2ig9VauCC5xsa82GNKVKDAqpOn3KVzNt0zmrU0g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "cliui": "^8.0.1",
-        "escalade": "^3.1.1",
-        "get-caller-file": "^2.0.5",
-        "require-directory": "^2.1.1",
-        "string-width": "^4.2.3",
-        "y18n": "^5.0.5",
-        "yargs-parser": "^21.1.1"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/cacache": {
       "version": "20.0.4",
       "resolved": "https://registry.npmjs.org/cacache/-/cacache-20.0.4.tgz",
diff --git a/package.json b/package.json
index ebd7ead1..9bbb5202 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "ava": "8.0.1",
-    "c8": "11.0.0",
+    "c8": "12.0.0",
     "cpy": "13.2.2",
     "cz-conventional-changelog": "3.3.0",
     "fetch-mock": "npm:@gr2m/fetch-mock@9.11.0-pull-request-644.1",