diff --git a/docs/docs/developer/testing.md b/docs/docs/developer/testing.md
index e1b96f9164..d7c9edcd31 100644
--- a/docs/docs/developer/testing.md
+++ b/docs/docs/developer/testing.md
@@ -18,6 +18,7 @@ make e2e
 Before you can run the tests, you need to run the following commands _once_:
 
 - `pnpm install` (in `e2e/`)
+- `pnpm run build` (in `cli/`)
 - `make open-api` (in the project root `/`)
 
 Once the test environment is running, the e2e tests can be run via: