diff --git a/companion/package-lock.json b/companion/package-lock.json
index 57c592fc..5b34c700 100644
--- a/companion/package-lock.json
+++ b/companion/package-lock.json
@@ -20,7 +20,7 @@
         "@types/fs-extra": "^11.0.4",
         "@types/webextension-polyfill": "^0.12.3",
         "nodemon": "^3.1.14",
-        "typescript": "^5.3.3"
+        "typescript": "^6.0.0"
       }
     },
     "node_modules/@esbuild/aix-ppc64": {
@@ -975,9 +975,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
-      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
+      "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": {
diff --git a/companion/package.json b/companion/package.json
index ffefae51..f6071d4b 100644
--- a/companion/package.json
+++ b/companion/package.json
@@ -23,6 +23,6 @@
     "@types/fs-extra": "^11.0.4",
     "@types/webextension-polyfill": "^0.12.3",
     "nodemon": "^3.1.14",
-    "typescript": "^5.3.3"
+    "typescript": "^6.0.0"
   }
 }