diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ca0da637..da8bc0d4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
           node-version: ${{matrix.node}}
       - run: npm install -g npm@7 # See: <https://github.com/npm/cli/issues/4341#issuecomment-1040608101>
       - run: npm install -g npm
-      - run: npm install
+      - run: npm install . 'unist-util-position@^4.0.3 || 4.0.0 - 4.0.1'
       - run: npm test
       - uses: codecov/codecov-action@v1
     strategy: