diff --git a/app/package.json b/app/package.json
index cf28739d..c6f949be 100644
--- a/app/package.json
+++ b/app/package.json
@@ -47,7 +47,7 @@
     "globals": "^17.3.0",
     "postcss": "^8.4.30",
     "tailwindcss": "^4.1.18",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.2",
     "typescript-eslint": "^8.9.0",
     "vite": "^7.3.1",
     "vite-plugin-pwa": "^1.2.0"
diff --git a/lib/package.json b/lib/package.json
index c5b6a9fc..88382a0d 100644
--- a/lib/package.json
+++ b/lib/package.json
@@ -87,7 +87,7 @@
     "typedoc": "^0.28.16",
     "typedoc-plugin-coverage": "^4.0.2",
     "typedoc-plugin-missing-exports": "^4.1.2",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.2",
     "typescript-eslint": "^8.9.0",
     "vite": "^7.3.1",
     "vite-plugin-svgr": "^4.3.0",
diff --git a/package-lock.json b/package-lock.json
index 1f61ba53..7333a744 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -48,7 +48,7 @@
         "globals": "^17.3.0",
         "postcss": "^8.4.30",
         "tailwindcss": "^4.1.18",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.2",
         "typescript-eslint": "^8.9.0",
         "vite": "^7.3.1",
         "vite-plugin-pwa": "^1.2.0"
@@ -124,6 +124,20 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "app/node_modules/typescript": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "lib": {
       "name": "utopia-ui",
       "version": "3.0.112",
@@ -208,7 +222,7 @@
         "typedoc": "^0.28.16",
         "typedoc-plugin-coverage": "^4.0.2",
         "typedoc-plugin-missing-exports": "^4.1.2",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.2",
         "typescript-eslint": "^8.9.0",
         "vite": "^7.3.1",
         "vite-plugin-svgr": "^4.3.0",
@@ -290,6 +304,20 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "lib/node_modules/typescript": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/@adobe/css-tools": {
       "version": "4.4.4",
       "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.4.4.tgz",
@@ -15201,6 +15229,7 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "devOptional": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"