diff --git a/package.json b/package.json
index 74ebe10..3d55843 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
   },
   "dependencies": {
     "core-js": "^3.8.3",
+    "pinia": "^2.0.13",
     "vue": "^3.2.13"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index f9b18e8..239d931 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1653,6 +1653,11 @@
   optionalDependencies:
     prettier "^1.18.2 || ^2.0.0"
 
+"@vue/devtools-api@^6.1.4":
+  version "6.1.4"
+  resolved "https://registry.yarnpkg.com/@vue/devtools-api/-/devtools-api-6.1.4.tgz#b4aec2f4b4599e11ba774a50c67fa378c9824e53"
+  integrity sha512-IiA0SvDrJEgXvVxjNkHPFfDx6SXw0b/TUkqMcDZWNg9fnCAHbTpoo59YfJ9QLFkwa3raau5vSlRVzMSLDnfdtQ==
+
 "@vue/eslint-config-typescript@^9.1.0":
   version "9.1.0"
   resolved "https://registry.npmmirror.com/@vue/eslint-config-typescript/-/eslint-config-typescript-9.1.0.tgz#b98a64352b312085444a08b98728962e2a8425ab"
@@ -4652,6 +4657,14 @@ picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.3.1:
   resolved "https://registry.npmmirror.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
   integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
 
+pinia@^2.0.13:
+  version "2.0.13"
+  resolved "https://registry.yarnpkg.com/pinia/-/pinia-2.0.13.tgz#6656fc290dae120a9f0cb2f5c520df400d41b8c5"
+  integrity sha512-B7rSqm1xNpwcPMnqns8/gVBfbbi7lWTByzS6aPZ4JOXSJD4Y531rZHDCoYWBwLyHY/8hWnXljgiXp6rRyrofcw==
+  dependencies:
+    "@vue/devtools-api" "^6.1.4"
+    vue-demi "*"
+
 pkg-dir@^4.1.0:
   version "4.2.0"
   resolved "https://registry.npmmirror.com/pkg-dir/-/pkg-dir-4.2.0.tgz#f099133df7ede422e81d1d8448270eeb3e4261f3"
@@ -5925,6 +5938,11 @@ vary@~1.1.2:
   resolved "https://registry.npmmirror.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
 
+vue-demi@*:
+  version "0.12.5"
+  resolved "https://registry.yarnpkg.com/vue-demi/-/vue-demi-0.12.5.tgz#8eeed566a7d86eb090209a11723f887d28aeb2d1"
+  integrity sha512-BREuTgTYlUr0zw0EZn3hnhC3I6gPWv+Kwh4MCih6QcAeaTlaIX0DwOVN0wHej7hSvDPecz4jygy/idsgKfW58Q==
+
 vue-eslint-parser@^8.0.0, vue-eslint-parser@^8.0.1:
   version "8.3.0"
   resolved "https://registry.npmmirror.com/vue-eslint-parser/-/vue-eslint-parser-8.3.0.tgz#5d31129a1b3dd89c0069ca0a1c88f970c360bd0d"