diff --git a/package-lock.json b/package-lock.json
index eb555cb0..ef430a2e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -54,7 +54,7 @@
         "sinon": "^21.0.0",
         "ts-node": "^10.9.2",
         "tsx": "^4.21.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vitest": "^4.0.16"
       },
       "engines": {
@@ -262,6 +262,20 @@
         "node": ">=8"
       }
     },
+    "node_modules/@appthreat/atom-parsetools/node_modules/typescript": {
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/@appthreat/atom-parsetools/node_modules/wrap-ansi": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
@@ -13049,10 +13063,10 @@
       "license": "MIT"
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
-      "devOptional": true,
+      "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",
diff --git a/package.json b/package.json
index 8e39ef72..ef509211 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "sinon": "^21.0.0",
     "ts-node": "^10.9.2",
     "tsx": "^4.21.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "vitest": "^4.0.16"
   },
   "engines": {