diff --git a/packages/grafana-toolkit/src/cli/tasks/toolkit.build.ts b/packages/grafana-toolkit/src/cli/tasks/toolkit.build.ts
index 194f23ba043..a5018a8921d 100644
--- a/packages/grafana-toolkit/src/cli/tasks/toolkit.build.ts
+++ b/packages/grafana-toolkit/src/cli/tasks/toolkit.build.ts
@@ -57,6 +57,7 @@ const copyFiles = () => {
     'src/config/eslint.plugin.json',
     'src/config/styles.mock.js',
     'src/config/jest.plugin.config.local.js',
+    'src/config/matchMedia.js',
   ];
 
   return useSpinner(`Moving ${files.join(', ')} files`, async () => {