diff --git a/webapp/src/setupTests.js b/webapp/src/setupTests.js
index 8f2609b7..2d6fd37b 100644
--- a/webapp/src/setupTests.js
+++ b/webapp/src/setupTests.js
@@ -3,3 +3,4 @@
 // expect(element).toHaveTextContent(/react/i)
 // learn more: https://github.com/testing-library/jest-dom
 import '@testing-library/jest-dom';
+process.env.TZ = 'UTC';