diff --git a/XtermBlazor/package-lock.json b/XtermBlazor/package-lock.json
index 4af744c..f8afce7 100644
--- a/XtermBlazor/package-lock.json
+++ b/XtermBlazor/package-lock.json
@@ -15,7 +15,7 @@
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         "ts-loader": "9.5.1",
         "ts-node": "10.9.1",
-        "typescript": "5.1.5",
+        "typescript": "5.3.3",
         "webpack": "5.90.0",
         "webpack-cli": "5.1.4"
       }
@@ -1799,9 +1799,9 @@
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-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.5.tgz",
-      "integrity": "sha512-FOH+WN/DQjUvN6WgW+c4Ml3yi0PH+a/8q+kNIfRehv1wLhWONedw85iu+vQ39Wp49IzTJEsZ2lyLXpBF7mkF1g==",
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
+      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -3382,9 +3382,9 @@
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     },
     "typescript": {
-      "version": "5.1.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.5.tgz",
-      "integrity": "sha512-FOH+WN/DQjUvN6WgW+c4Ml3yi0PH+a/8q+kNIfRehv1wLhWONedw85iu+vQ39Wp49IzTJEsZ2lyLXpBF7mkF1g==",
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
+      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
       "dev": true
     },
     "update-browserslist-db": {
diff --git a/XtermBlazor/package.json b/XtermBlazor/package.json
index df39b14..00c13f3 100644
--- a/XtermBlazor/package.json
+++ b/XtermBlazor/package.json
@@ -16,7 +16,7 @@
     "copy-webpack-plugin": "11.0.0",
     "ts-loader": "9.5.1",
     "ts-node": "10.9.1",
-    "typescript": "5.1.5",
+    "typescript": "5.3.3",
     "webpack": "5.90.0",
     "webpack-cli": "5.1.4"
   }