diff --git a/package-lock.json b/package-lock.json
index fd15890..de9f0cc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "function-once": "^3.0.1",
         "import-meta-resolve": "^4.2.0",
         "is-binary-path": "^3.0.0",
-        "js-yaml": "^4.2.0",
+        "js-yaml": "^5.0.0",
         "json-sorted-stringify": "^1.0.2",
         "json5": "^2.2.3",
         "kasi": "^2.0.1",
@@ -38,7 +38,6 @@
       },
       "devDependencies": {
         "@types/jest": "^30.0.0",
-        "@types/js-yaml": "^4.0.9",
         "@types/node": "^24.10.1",
         "cross-env": "^10.1.0",
         "jest": "^30.4.2",
@@ -1632,12 +1631,6 @@
         "pretty-format": "^30.0.0"
       }
     },
-    "node_modules/@types/js-yaml": {
-      "version": "4.0.9",
-      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.9.tgz",
-      "integrity": "sha512-k4MGaQl5TGo/iipqb2UDG2UwjXziSWkh0uysQelTlJpX1qGlpUZYm8PnO4DxG1qBomtJUdYJ6qR6xdIah10JLg==",
-      "dev": true
-    },
     "node_modules/@types/node": {
       "version": "24.10.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-24.10.1.tgz",
@@ -4307,9 +4300,9 @@
       "dev": true
     },
     "node_modules/js-yaml": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
-      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.0.0.tgz",
+      "integrity": "sha512-GSvaPUbk1U+FMZ7rJzF+F8e5YVtu7KnD40et/5rBXXRBv2jCO9L3qCewvIDDdudC0QycTFlf6EAA+h3kxBsuUw==",
       "funding": [
         {
           "type": "github",
@@ -4324,7 +4317,7 @@
         "argparse": "^2.0.1"
       },
       "bin": {
-        "js-yaml": "bin/js-yaml.js"
+        "js-yaml": "bin/js-yaml.mjs"
       }
     },
     "node_modules/jsesc": {
@@ -7682,12 +7675,6 @@
         "pretty-format": "^30.0.0"
       }
     },
-    "@types/js-yaml": {
-      "version": "4.0.9",
-      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.9.tgz",
-      "integrity": "sha512-k4MGaQl5TGo/iipqb2UDG2UwjXziSWkh0uysQelTlJpX1qGlpUZYm8PnO4DxG1qBomtJUdYJ6qR6xdIah10JLg==",
-      "dev": true
-    },
     "@types/node": {
       "version": "24.10.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-24.10.1.tgz",
@@ -9584,9 +9571,9 @@
       "dev": true
     },
     "js-yaml": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
-      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.0.0.tgz",
+      "integrity": "sha512-GSvaPUbk1U+FMZ7rJzF+F8e5YVtu7KnD40et/5rBXXRBv2jCO9L3qCewvIDDdudC0QycTFlf6EAA+h3kxBsuUw==",
       "requires": {
         "argparse": "^2.0.1"
       }
diff --git a/package.json b/package.json
index ddcf829..fbfc6ee 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "function-once": "^3.0.1",
     "import-meta-resolve": "^4.2.0",
     "is-binary-path": "^3.0.0",
-    "js-yaml": "^4.2.0",
+    "js-yaml": "^5.0.0",
     "json-sorted-stringify": "^1.0.2",
     "json5": "^2.2.3",
     "kasi": "^2.0.1",
@@ -62,7 +62,6 @@
   },
   "devDependencies": {
     "@types/jest": "^30.0.0",
-    "@types/js-yaml": "^4.0.9",
     "@types/node": "^24.10.1",
     "cross-env": "^10.1.0",
     "jest": "^30.4.2",
diff --git a/src/config_prettier.ts b/src/config_prettier.ts
index 8ee18c7..8f66284 100644
--- a/src/config_prettier.ts
+++ b/src/config_prettier.ts
@@ -50,11 +50,9 @@ const Loaders = {
     return parse(fileContent);
   },
   yaml: async (filePath: string): Promise<unknown> => {
-    const yaml = (await import("js-yaml")).default;
+    const { load, JSON_SCHEMA } = await import("js-yaml");
     const fileContent = fs.readFileSync(filePath, "utf8");
-    return yaml.load(fileContent, {
-      schema: yaml.JSON_SCHEMA,
-    });
+    return load(fileContent, { schema: JSON_SCHEMA });
   },
 };