diff --git a/.github/workflows/backend-tests.yml b/.github/workflows/backend-tests.yml
index 92c2161ad..47678548c 100644
--- a/.github/workflows/backend-tests.yml
+++ b/.github/workflows/backend-tests.yml
@@ -107,7 +107,7 @@ jobs:
         # The --legacy-peer-deps flag is required to work around a bug in npm v7:
         # https://github.com/npm/cli/issues/2199
         run: >
-          pnpm install
+          pnpm install --workspace-root
           ep_align
           ep_author_hover
           ep_cursortrace