diff --git a/jest.config.js b/jest.config.js
index 7bda2df4675a..81f208271834 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -5,6 +5,7 @@
 module.exports = {
   collectCoverageFrom: [
     '**/packages/*/**/*.js',
+    '**/packages/*/**/*.ts',
     '!**/bin/**',
     '!**/cli/**',
     '!**/perf/**',