diff --git a/jest.config.ts b/jest.config.ts
index 286a152f79..26d901fdd1 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -7,11 +7,7 @@ const config: Config.InitialOptions = {
   roots: ['<rootDir>'],
   coveragePathIgnorePatterns: ['/build/', '/node_modules/', '/__tests__/', 'tests'],
   coverageDirectory: '<rootDir>/coverage/',
-  projects: [
-    '<rootDir>/packages/*/jest.config.ts',
-    '<rootDir>/tests/jest.config.ts',
-    '<rootDir>/samples/extension-module/jest.config.ts',
-  ],
+  projects: ['<rootDir>/packages/core/jest.config.ts'],
 }
 
 export default config
diff --git a/packages/core/jest.config.ts b/packages/core/jest.config.ts
index 7b6ec7f1c5..5b0fc72f67 100644
--- a/packages/core/jest.config.ts
+++ b/packages/core/jest.config.ts
@@ -10,6 +10,7 @@ const config: Config.InitialOptions = {
   ...base,
   displayName: packageJson.name,
   setupFilesAfterEnv: ['./tests/setup.ts'],
+  testMatch: ['**/*/sdJwtVc.test.ts', '**/*/SdJwtVcService.test.ts', '**/*/SdJwtVcModule.test.ts'],
 }
 
 export default config