diff --git a/package.json b/package.json
index f6cd614..5bcbdbd 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
     "react": "17.0.1",
     "react-dom": "17.0.1",
     "tailwindcss": "^2.0.2",
-    "yup": "^0.32.8"
+    "yup": "^0.32.8",
+    "yup-locales-ko": "^1.0.0"
   },
   "devDependencies": {
     "@types/core-js": "^2.5.4",
diff --git a/yarn.lock b/yarn.lock
index 7f74562..5f6ac0a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6304,6 +6304,11 @@ yocto-queue@^0.1.0:
   resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"
   integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==
 
+yup-locales-ko@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/yup-locales-ko/-/yup-locales-ko-1.0.0.tgz#a19822f825607c5477385d055882eeacc9d10f97"
+  integrity sha512-0y2NPNQEI6MzZNx3h/qvMEm1Y6wVjBnuQufy/TE/R5QgPLLMclCHsgemXo7x9X99l/VwO1NOSORa0smQS1wG3w==
+
 yup@^0.32.8:
   version "0.32.8"
   resolved "https://registry.yarnpkg.com/yup/-/yup-0.32.8.tgz#16e4a949a86a69505abf99fd0941305ac9adfc39"