diff --git a/package-lock.json b/package-lock.json
index 761ce3c..c65155f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,7 @@
         "react-router-dom": "^7.8.1",
         "react-scripts": "5.0.1",
         "simple-statistics": "^7.8.8",
-        "typescript": "^4.9.5",
+        "typescript": "^5.9.3",
         "web-vitals": "^2.1.4",
         "zod": "^3.22.4"
       },
@@ -17215,16 +17215,16 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.9.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
-      "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
       },
       "engines": {
-        "node": ">=4.2.0"
+        "node": ">=14.17"
       }
     },
     "node_modules/unbox-primitive": {
diff --git a/package.json b/package.json
index ed8a897..c6bf192 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "react-router-dom": "^7.8.1",
     "react-scripts": "5.0.1",
     "simple-statistics": "^7.8.8",
-    "typescript": "^4.9.5",
+    "typescript": "^5.9.3",
     "web-vitals": "^2.1.4",
     "zod": "^3.22.4"
   },