diff --git a/ui/package-lock.json b/ui/package-lock.json
index c0901a73d..3a0060a31 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -63,7 +63,7 @@
         "jsdom": "^26.1.0",
         "prettier": "^3.6.2",
         "ra-test": "^3.19.12",
-        "typescript": "^5.8.3",
+        "typescript": "^5.9.3",
         "vite": "^7.1.12",
         "vite-plugin-pwa": "^1.1.0",
         "vitest": "^4.0.3"
@@ -10610,10 +10610,11 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/ui/package.json b/ui/package.json
index a3612aaf4..a123cba59 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -72,7 +72,7 @@
     "jsdom": "^26.1.0",
     "prettier": "^3.6.2",
     "ra-test": "^3.19.12",
-    "typescript": "^5.8.3",
+    "typescript": "^5.9.3",
     "vite": "^7.1.12",
     "vite-plugin-pwa": "^1.1.0",
     "vitest": "^4.0.3"