diff --git a/package-lock.json b/package-lock.json
index 3278042..d204d0c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "jsonc.min": "^1.1.2",
         "one-double-zero": "^1.1.1",
         "toml.min": "^0.1.3",
-        "yaml": "^2.8.3"
+        "yaml.min": "^1.0.0"
       },
       "devDependencies": {
         "@ianvs/prettier-plugin-sort-imports": "^4.7.1",
@@ -1737,19 +1737,17 @@
         "node": ">=8"
       }
     },
-    "node_modules/yaml": {
-      "version": "2.8.3",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.3.tgz",
-      "integrity": "sha512-AvbaCLOO2Otw/lW5bmh9d/WEdcDFdQp2Z2ZUH3pX9U2ihyUY0nvLv7J6TrWowklRGPYbB/IuIMfYgxaCPg5Bpg==",
-      "license": "ISC",
-      "bin": {
-        "yaml": "bin.mjs"
-      },
+    "node_modules/yaml.min": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/yaml.min/-/yaml.min-1.0.0.tgz",
+      "integrity": "sha512-p/mX2R20rnblQo57YJHcOpFtbut5JBeq0PLMn2WXQn9XLRMGmisMRQk/ug1rnpA4eBKaTr9O7H332hdIwMUhxA==",
+      "license": "MIT",
       "engines": {
-        "node": ">= 14.6"
+        "node": ">=18.0.0"
       },
       "funding": {
-        "url": "https://github.com/sponsors/eemeli"
+        "type": "github",
+        "url": "https://github.com/sponsors/wellwelwel"
       }
     },
     "node_modules/yocto-queue": {
diff --git a/package.json b/package.json
index d9eeb6c..9e5d152 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "jsonc.min": "^1.1.2",
     "one-double-zero": "^1.1.1",
     "toml.min": "^0.1.3",
-    "yaml": "^2.8.3"
+    "yaml.min": "^1.0.0"
   },
   "peerDependencies": {
     "poku": "^4.1.0"
diff --git a/src/config.ts b/src/config.ts
index d873edc..69465e1 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -3,7 +3,7 @@ import { existsSync, readFileSync } from 'node:fs';
 import { join } from 'node:path';
 import { JSONC } from 'jsonc.min';
 import { parse as tomlParse } from 'toml.min';
-import YAML from 'yaml';
+import { parse as yamlParse } from 'yaml.min';
 
 const scriptExtensions = new Set([
   '.js',
@@ -31,16 +31,16 @@ const getExtension = (filePath: string): string => {
 };
 
 const parseConfig = (content: string, filePath: string): CoverageOptions => {
-  if (isToml(filePath)) return tomlParse(content) as CoverageOptions;
-  if (isYaml(filePath)) return YAML.parse(content) as CoverageOptions;
-  return JSONC.parse(content) as CoverageOptions;
+  if (isToml(filePath)) return tomlParse<CoverageOptions>(content);
+  if (isYaml(filePath)) return yamlParse<CoverageOptions>(content);
+  return JSONC.parse<CoverageOptions>(content);
 };
 
 export const loadConfig = (
   cwd: string,
   customPath?: string | false
-): CoverageOptions | undefined => {
-  if (customPath === false) return;
+): CoverageOptions => {
+  if (customPath === false) return Object.create(null);
 
   const expectedFiles = customPath
     ? [customPath]
@@ -65,4 +65,6 @@ export const loadConfig = (
       return parseConfig(content, file);
     } catch {}
   }
+
+  return Object.create(null);
 };
diff --git a/src/index.ts b/src/index.ts
index 02d94d7..73b823c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -125,24 +125,22 @@ export const coverage = (
 
     setup(context) {
       if (options.requireFlag && !process.argv.includes('--coverage')) return;
-      enabled = true;
-
-      cwd = context.cwd;
-
       if (context.runtime !== 'node')
         console.warn(
           `[@pokujs/one-double-zero] V8 coverage is only supported on Node.js (current runtime: ${context.runtime}). Coverage data may not be collected.`
         );
 
+      enabled = true;
+      cwd = context.cwd;
+
       const cliConfig = process.argv
         .find((arg) => arg.startsWith('--coverageConfig'))
         ?.split('=')[1];
 
       const resolvedConfig = cliConfig ?? options.config;
-
       const fileConfig = loadConfig(context.cwd, resolvedConfig);
-      if (fileConfig) options = { ...fileConfig, ...options };
 
+      options = { ...fileConfig, ...options };
       originalEnv = process.env.NODE_V8_COVERAGE;
 
       tempDir = options.coverageDirectory