diff --git a/package-lock.json b/package-lock.json
index 2611c92..f0dd098 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1557,9 +1557,9 @@
       }
     },
     "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": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "peer": true,
@@ -1653,7 +1653,7 @@
       "devDependencies": {
         "@types/node": "25.0.0",
         "rimraf": "6.1.2",
-        "typescript": "5.9.2"
+        "typescript": "5.9.3"
       }
     }
   }
diff --git a/packages/acn/package.json b/packages/acn/package.json
index 945550b..a5479bc 100644
--- a/packages/acn/package.json
+++ b/packages/acn/package.json
@@ -38,6 +38,6 @@
   "devDependencies": {
     "@types/node": "25.0.0",
     "rimraf": "6.1.2",
-    "typescript": "5.9.2"
+    "typescript": "5.9.3"
   }
 }