diff --git a/package-lock.json b/package-lock.json
index c7eea25..99424b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "stylelint": "^16.13.2",
         "stylelint-config-standard": "^37.0.0",
         "ts-node": "^10.9.2",
-        "typescript": "^5.5.3"
+        "typescript": "^5.8.3"
       },
       "engines": {
         "node": ">=20"
@@ -7907,9 +7907,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.7.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
-      "integrity": "sha512-84MVSjMEHP+FQRPy3pX9sTVV/INIex71s9TL2Gm5FG/WG1SqXeKyZ0k7/blY/4FdOzI12CBy1vGc4og/eus0fw==",
+      "version": "5.8.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
+      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index d27871c..f6c204a 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "spellchecker-cli": "^7.0.0",
     "stylelint": "^16.13.2",
     "stylelint-config-standard": "^37.0.0",
-    "typescript": "^5.5.3",
+    "typescript": "^5.8.3",
     "c8": "^10.1.2",
     "ts-node": "^10.9.2",
     "@types/mocha": "^10.0.9",