diff --git a/package-lock.json b/package-lock.json
index 249e3b2..b1de460 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,8 @@
         "typescript": "^4.1.3",
         "webpack": "^5.28.0",
         "webpack-cli": "^4.5.0",
-        "webpack-dev-server": "^4.0.0-beta.1"
+        "webpack-dev-server": "^4.0.0-beta.1",
+        "y18n": "^4.0.1"
       },
       "engines": {
         "node": ">= 6"
@@ -13294,9 +13295,9 @@
       "dev": true
     },
     "node_modules/y18n": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
       "dev": true
     },
     "node_modules/yallist": {
@@ -23676,9 +23677,9 @@
       "dev": true
     },
     "y18n": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
       "dev": true
     },
     "yallist": {
diff --git a/package.json b/package.json
index 0088352..9420295 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,8 @@
     "typescript": "^4.1.3",
     "webpack": "^5.28.0",
     "webpack-cli": "^4.5.0",
-    "webpack-dev-server": "^4.0.0-beta.1"
+    "webpack-dev-server": "^4.0.0-beta.1",
+    "y18n": "^4.0.1"
   },
   "dependencies": {
     "apple2shader": "0.0.1",