diff --git a/package-lock.json b/package-lock.json
index 28b88fdf9..c88ab18b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6908,7 +6908,7 @@
                 "rimraf": "^6.1.2",
                 "tslib": "^2.8.1",
                 "tsx": "^4.21.0",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vite": "^7.3.1",
                 "vite-plugin-static-copy": "^3.2.0",
                 "vitest": "^4.1.5"
@@ -6917,6 +6917,20 @@
                 "node": ">=6.0.0"
             }
         },
+        "packages/alphatab/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/alphatex": {
             "name": "@coderline/alphatab-alphatex",
             "version": "1.9.0",
@@ -6924,10 +6938,24 @@
                 "rimraf": "^6.1.3",
                 "tslib": "^2.8.1",
                 "tsx": "^4.21.0",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vitest": "^4.1.5"
             }
         },
+        "packages/alphatex/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/csharp": {
             "name": "@coderline/alphatab-csharp",
             "version": "1.9.0",
@@ -6959,11 +6987,25 @@
                 "rimraf": "^6.1.3",
                 "tslib": "^2.8.1",
                 "tsx": "^4.21.0",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vite-tsconfig-paths": "^6.1.1",
                 "vitest": "^4.1.5"
             }
         },
+        "packages/lsp/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/monaco": {
             "name": "@coderline/alphatab-monaco",
             "version": "1.9.0",
@@ -6986,11 +7028,25 @@
                 "rimraf": "^6.1.3",
                 "tslib": "^2.8.1",
                 "tsx": "^4.21.0",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vite-tsconfig-paths": "^6.1.1",
                 "vitest": "^4.1.5"
             }
         },
+        "packages/monaco/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/playground": {
             "name": "@coderline/alphatab-playground",
             "version": "1.9.0",
@@ -7007,12 +7063,26 @@
             "devDependencies": {
                 "split.js": "^1.6.5",
                 "tslib": "^2.8.1",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vite": "^7.3.2",
                 "vite-tsconfig-paths": "^6.1.1",
                 "vitest": "^4.1.5"
             }
         },
+        "packages/playground/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/tooling": {
             "name": "@coderline/alphatab-tooling",
             "version": "1.9.0",
@@ -7022,11 +7092,25 @@
                 "@rollup/plugin-typescript": "^12.3.0",
                 "rollup-plugin-license": "^3.7.0",
                 "rollup-plugin-node-externals": "^9.0.1",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vite-tsconfig-paths": "^6.1.1",
                 "vitest": "^4.1.5"
             }
         },
+        "packages/tooling/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/transpiler": {
             "name": "@coderline/alphatab-transpiler",
             "version": "1.9.0",
@@ -7051,13 +7135,27 @@
                 "terser": "^5.46.0",
                 "tslib": "^2.8.1",
                 "tsx": "^4.21.0",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vitest": "^4.1.5"
             },
             "engines": {
                 "node": ">=20.19.0"
             }
         },
+        "packages/vite/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/vscode": {
             "name": "alphatab-vscode",
             "version": "1.9.0",
@@ -7078,13 +7176,27 @@
                 "rimraf": "^6.1.3",
                 "tslib": "^2.8.1",
                 "tsx": "^4.21.0",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vscode-languageclient": "^9.0.1"
             },
             "engines": {
                 "vscode": "^1.105.0"
             }
         },
+        "packages/vscode/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
+        },
         "packages/webpack": {
             "name": "@coderline/alphatab-webpack",
             "version": "1.9.0",
@@ -7099,13 +7211,27 @@
                 "rimraf": "^6.1.2",
                 "tslib": "^2.8.1",
                 "tsx": "^4.21.0",
-                "typescript": "^5.9.3",
+                "typescript": "^6.0.3",
                 "vitest": "^4.1.5",
                 "webpack-cli": "^7.0.2"
             },
             "engines": {
                 "node": ">=20.19.0"
             }
+        },
+        "packages/webpack/node_modules/typescript": {
+            "version": "6.0.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+            "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+            "dev": true,
+            "license": "Apache-2.0",
+            "bin": {
+                "tsc": "bin/tsc",
+                "tsserver": "bin/tsserver"
+            },
+            "engines": {
+                "node": ">=14.17"
+            }
         }
     }
 }
diff --git a/packages/alphatab/package.json b/packages/alphatab/package.json
index 10d1145c5..de57d29a8 100644
--- a/packages/alphatab/package.json
+++ b/packages/alphatab/package.json
@@ -67,7 +67,7 @@
         "rimraf": "^6.1.2",
         "tslib": "^2.8.1",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vite": "^7.3.1",
         "vite-plugin-static-copy": "^3.2.0",
         "vitest": "^4.1.5"
diff --git a/packages/alphatex/package.json b/packages/alphatex/package.json
index 9b68420e8..cf6dd058f 100644
--- a/packages/alphatex/package.json
+++ b/packages/alphatex/package.json
@@ -13,7 +13,7 @@
         "rimraf": "^6.1.3",
         "tslib": "^2.8.1",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vitest": "^4.1.5"
     },
     "type": "module"
diff --git a/packages/lsp/package.json b/packages/lsp/package.json
index 78f1c8eb1..ebd7fcd1f 100644
--- a/packages/lsp/package.json
+++ b/packages/lsp/package.json
@@ -46,7 +46,7 @@
         "rimraf": "^6.1.3",
         "tslib": "^2.8.1",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vite-tsconfig-paths": "^6.1.1",
         "vitest": "^4.1.5"
     },
diff --git a/packages/monaco/package.json b/packages/monaco/package.json
index c82670415..82a593904 100644
--- a/packages/monaco/package.json
+++ b/packages/monaco/package.json
@@ -46,7 +46,7 @@
         "rimraf": "^6.1.3",
         "tslib": "^2.8.1",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vite-tsconfig-paths": "^6.1.1",
         "vitest": "^4.1.5"
     },
diff --git a/packages/playground/package.json b/packages/playground/package.json
index c0fd4d4ac..bb37bcb3e 100644
--- a/packages/playground/package.json
+++ b/packages/playground/package.json
@@ -24,7 +24,7 @@
     "devDependencies": {
         "split.js": "^1.6.5",
         "tslib": "^2.8.1",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vite": "^7.3.2",
         "vite-tsconfig-paths": "^6.1.1",
         "vitest": "^4.1.5"
diff --git a/packages/tooling/package.json b/packages/tooling/package.json
index 6f5599e22..54d5107df 100644
--- a/packages/tooling/package.json
+++ b/packages/tooling/package.json
@@ -14,7 +14,7 @@
         "@rollup/plugin-typescript": "^12.3.0",
         "rollup-plugin-license": "^3.7.0",
         "rollup-plugin-node-externals": "^9.0.1",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vite-tsconfig-paths": "^6.1.1",
         "vitest": "^4.1.5"
     }
diff --git a/packages/vite/package.json b/packages/vite/package.json
index c915b29ba..2a952652b 100644
--- a/packages/vite/package.json
+++ b/packages/vite/package.json
@@ -58,7 +58,7 @@
         "terser": "^5.46.0",
         "tslib": "^2.8.1",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vitest": "^4.1.5"
     },
     "files": [
diff --git a/packages/vscode/package.json b/packages/vscode/package.json
index 725de25e4..67263e0a7 100644
--- a/packages/vscode/package.json
+++ b/packages/vscode/package.json
@@ -49,7 +49,7 @@
         "rimraf": "^6.1.3",
         "tslib": "^2.8.1",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vscode-languageclient": "^9.0.1"
     },
     "publisher": "coderline",
diff --git a/packages/webpack/package.json b/packages/webpack/package.json
index c947a50cd..b8c84f86d 100644
--- a/packages/webpack/package.json
+++ b/packages/webpack/package.json
@@ -55,7 +55,7 @@
         "rimraf": "^6.1.2",
         "tslib": "^2.8.1",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vitest": "^4.1.5",
         "webpack-cli": "^7.0.2"
     },