diff --git a/package.json b/package.json
index 24fd7f6..bd57961 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,6 @@
   },
   "dependencies": {
     "bash-language-server": "3.0.3",
-    "pkg-dir": "^6.0.1",
     "tslib": "^2.4.0"
   }
 }
diff --git a/src/extension.ts b/src/extension.ts
index c666621..01097ab 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -1,6 +1,5 @@
 import path from 'path'
 import fs from 'fs'
-import { packageDirectory as pkgDir } from 'pkg-dir'
 import { ExtensionContext, LanguageClient, LanguageClientOptions, ServerOptions, TransportKind, commands, services, window, workspace } from 'coc.nvim'
 
 interface ShConfig {
@@ -43,7 +42,7 @@ export async function activate(context: ExtensionContext): Promise<void> {
   context.subscriptions.push(
     services.registLanguageClient(client),
     commands.registerCommand("sh.version", async () => {
-      const rootDir = await pkgDir({ cwd: __dirname })
+      const rootDir = path.join(__dirname, '..')
       const { version } = JSON.parse(fs.readFileSync(path.resolve(rootDir, 'package.json'), 'utf-8'))
 
       window.showMessage(`Version: ${version} [node: ${process.versions.node}]`, 'more')
diff --git a/yarn.lock b/yarn.lock
index ccdc4ea..566e1d6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -775,14 +775,6 @@ fill-range@^7.0.1:
   dependencies:
     to-regex-range "^5.0.1"
 
-find-up@^6.1.0:
-  version "6.3.0"
-  resolved "https://registry.npmjs.org/find-up/-/find-up-6.3.0.tgz"
-  integrity sha512-v2ZsoEuVHYy8ZIlYqwPe/39Cy+cFDzp4dXPaxNvkEuouymu+2Jbz0PxpKarJHYJTmv2HWT3O382qY8l4jMWthw==
-  dependencies:
-    locate-path "^7.1.0"
-    path-exists "^5.0.0"
-
 flat-cache@^3.0.4:
   version "3.0.4"
   resolved "https://registry.npmjs.org/flat-cache/-/flat-cache-3.0.4.tgz"
@@ -1073,13 +1065,6 @@ levn@^0.4.1:
     prelude-ls "^1.2.1"
     type-check "~0.4.0"
 
-locate-path@^7.1.0:
-  version "7.1.1"
-  resolved "https://registry.npmjs.org/locate-path/-/locate-path-7.1.1.tgz"
-  integrity sha512-vJXaRMJgRVD3+cUZs3Mncj2mxpt5mP0EmNOsxRSZRMlbqjvxzDEOIUWXGmavo0ZC9+tNZCBLQ66reA11nbpHZg==
-  dependencies:
-    p-locate "^6.0.0"
-
 lodash.merge@^4.6.2:
   version "4.6.2"
   resolved "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz"
@@ -1182,20 +1167,6 @@ optionator@^0.9.1:
     type-check "^0.4.0"
     word-wrap "^1.2.3"
 
-p-limit@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.npmjs.org/p-limit/-/p-limit-4.0.0.tgz"
-  integrity sha512-5b0R4txpzjPWVw/cXXUResoD4hb6U/x9BH08L7nw+GN1sezDzPdxeRvpc9c433fZhBan/wusjbCsqwqm4EIBIQ==
-  dependencies:
-    yocto-queue "^1.0.0"
-
-p-locate@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.npmjs.org/p-locate/-/p-locate-6.0.0.tgz"
-  integrity sha512-wPrq66Llhl7/4AGC6I+cqxT07LhXvWL08LNXz1fENOw0Ap4sRZZ/gZpTTJ5jpurzzzfS2W/Ge9BY3LgLjCShcw==
-  dependencies:
-    p-limit "^4.0.0"
-
 parent-module@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz"
@@ -1203,11 +1174,6 @@ parent-module@^1.0.0:
   dependencies:
     callsites "^3.0.0"
 
-path-exists@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.npmjs.org/path-exists/-/path-exists-5.0.0.tgz"
-  integrity sha512-RjhtfwJOxzcFmNOi6ltcbcu4Iu+FL3zEj83dk4kAS+fVpTxXLO1b38RvJgT/0QwvV/L3aY9TAnyv0EOqW4GoMQ==
-
 path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz"
@@ -1233,13 +1199,6 @@ picomatch@^2.2.3:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
   integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
 
-pkg-dir@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.npmjs.org/pkg-dir/-/pkg-dir-6.0.1.tgz"
-  integrity sha512-C9R+PTCKGA32HG0n5I4JMYkdLL58ZpayVuncQHQrGeKa8o26A4o2x0u6BKekHG+Au0jv5ZW7Xfq1Cj6lm9Ag4w==
-  dependencies:
-    find-up "^6.1.0"
-
 prelude-ls@^1.2.1:
   version "1.2.1"
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz"
@@ -1669,8 +1628,3 @@ yargs@^16.0.3:
     string-width "^4.2.0"
     y18n "^5.0.5"
     yargs-parser "^20.2.2"
-
-yocto-queue@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npmjs.org/yocto-queue/-/yocto-queue-1.0.0.tgz"
-  integrity sha512-9bnSc/HEW2uRy67wc+T8UwauLuPJVn28jb+GtJY16iiKWyvmYJRXVT4UamsAEGQfPohgr2q4Tq0sQbQlxTfi1g==