diff --git a/jest.config.ts b/jest.config.ts
index eba7698..2807ba8 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -65,7 +65,11 @@ export default {
   // globalTeardown: undefined,
 
   // A set of global variables that need to be available in all test environments
-  // globals: {},
+  globals: {
+    'ts-jest': {
+      isolatedModules: true
+    }
+  }
 
   // The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
   // maxWorkers: "50%",