diff --git a/packages/components/datasources/__tests__/datasources.spec.ts b/packages/components/datasources/__tests__/datasources.spec.ts
index e13595cf7..b3614e276 100644
--- a/packages/components/datasources/__tests__/datasources.spec.ts
+++ b/packages/components/datasources/__tests__/datasources.spec.ts
@@ -208,5 +208,5 @@ describe('VcDatasourceKml', () => {
     await testVm.load?.()
     datasource = testVm.getCesiumObject?.() as Cesium.KmlDataSource
     expect(datasource).toBeDefined()
-  }, 15000)
+  }, 20000)
 })