diff --git a/packages/core/test/setup-mocks.ts b/packages/core/test/setup-mocks.ts
index d2c9bc6e64..c36ff529c2 100644
--- a/packages/core/test/setup-mocks.ts
+++ b/packages/core/test/setup-mocks.ts
@@ -1 +1,6 @@
 import 'reflect-metadata';
+
+// WebCrypto Polyfill for older versions of Node.js 18
+if (!globalThis.crypto?.getRandomValues) {
+	globalThis.crypto = require('node:crypto').webcrypto;
+}