diff --git a/app/jest.config.ts b/app/jest.config.ts
index eb281a6a0..60a0f28fc 100644
--- a/app/jest.config.ts
+++ b/app/jest.config.ts
@@ -23,6 +23,10 @@ const config: JestConfigWithTsJest = {
   moduleNameMapper: {
     "^@/(.*)$": "<rootDir>/src/$1",
   },
+  setupFiles: ["<rootDir>/jest.setup.ts"],
+
+  // enable worker threads feature to fix BigInt serialization issue
+  workerThreads: true,
 
   // All imported modules in your tests should be mocked automatically
   // automock: false,
diff --git a/app/jest.setup.ts b/app/jest.setup.ts
new file mode 100644
index 000000000..e16be11be
--- /dev/null
+++ b/app/jest.setup.ts
@@ -0,0 +1 @@
+import "@/util/big_int_json.ts";