diff --git a/__tests__/lib/strings/url-helpers.test.ts b/__tests__/lib/strings/url-helpers.test.ts
index 5c06945055..2669570645 100644
--- a/__tests__/lib/strings/url-helpers.test.ts
+++ b/__tests__/lib/strings/url-helpers.test.ts
@@ -171,7 +171,7 @@ describe('isTrustedUrl', () => {
     ['https://docs.google.com', false],
     ['https://google.com/#', false],
     ['https://blueskywebxzendesk.com', false],
-  ]
+  ] as [string, boolean][]
 
   it.each(cases)('given input uri %p, returns %p', (str, expected) => {
     const output = isTrustedUrl(str)