diff --git a/package.json b/package.json
index 4e58c0b..1d368f2 100644
--- a/package.json
+++ b/package.json
@@ -48,6 +48,7 @@
     "safe-stable-stringify": "^2.2.0",
     "ts-node": "^10.9.1",
     "typescript": "~5.5.0",
+    "vm2": "^3.10.0",
     "yargs": "^17.1.1"
   },
   "devDependencies": {
diff --git a/typescript-json-schema.ts b/typescript-json-schema.ts
index bb7e055..c39f746 100644
--- a/typescript-json-schema.ts
+++ b/typescript-json-schema.ts
@@ -9,7 +9,7 @@ export { Program, CompilerOptions, Symbol } from "typescript";
 
 export { ts };
 
-const vm = require("vm");
+const { VM } = require("vm2");
 
 const REGEX_FILE_NAME_OR_SPACE = /(\bimport\(".*?"\)|".*?")\.| /g;
 const REGEX_TSCONFIG_NAME = /^.*\.json$/;
@@ -867,10 +867,8 @@ export class JsonSchemaGenerator {
                 definition.default = initial.getText();
             } else {
                 try {
-                    const sandbox = { sandboxvar: null as any };
-                    vm.runInNewContext("sandboxvar=" + initial.getText(), sandbox);
-
-                    const val = sandbox.sandboxvar;
+                    const vm = new VM();
+                    const val = vm.run("sandboxvar=" + initial.getText()) as any;
                     if (
                         val === null ||
                         typeof val === "string" ||
diff --git a/yarn.lock b/yarn.lock
index c08d754..a7405b9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -118,6 +118,18 @@ acorn-walk@^8.1.1:
   resolved "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz"
   integrity sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==
 
+acorn-walk@^8.3.4:
+  version "8.3.4"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-8.3.4.tgz#794dd169c3977edf4ba4ea47583587c5866236b7"
+  integrity sha512-ueEepnujpqee2o5aIYnvHU6C0A42MNdsIDeqy5BydrkuC5R1ZuUFnm27EeFJGoEHJQgn3uleRvmTXaJgfXbt4g==
+  dependencies:
+    acorn "^8.11.0"
+
+acorn@^8.11.0, acorn@^8.14.1:
+  version "8.15.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.15.0.tgz#a360898bc415edaac46c8241f6383975b930b816"
+  integrity sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==
+
 acorn@^8.4.1:
   version "8.5.0"
   resolved "https://registry.npmjs.org/acorn/-/acorn-8.5.0.tgz"
@@ -923,6 +935,14 @@ v8-compile-cache-lib@^3.0.1:
   resolved "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz"
   integrity sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==
 
+vm2@^3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/vm2/-/vm2-3.10.0.tgz#bd241fbf37fed0b7d0050e40ad08d7be6ba33d57"
+  integrity sha512-3ggF4Bs0cw4M7Rxn19/Cv3nJi04xrgHwt4uLto+zkcZocaKwP/nKP9wPx6ggN2X0DSXxOOIc63BV1jvES19wXQ==
+  dependencies:
+    acorn "^8.14.1"
+    acorn-walk "^8.3.4"
+
 which@2.0.2:
   version "2.0.2"
   resolved "https://registry.npmjs.org/which/-/which-2.0.2.tgz"