diff --git a/.github/workflows/test-new.yml b/.github/workflows/test-new.yml
index c5a6c5dc..73a10896 100644
--- a/.github/workflows/test-new.yml
+++ b/.github/workflows/test-new.yml
@@ -40,15 +40,15 @@ jobs:
           RAILS_ENV: test
           GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
           OFSTED_FEED_API_ENDPOINT: https://test-ofsted-feed.stub # this is not a real url, we just need an env variable set for the stub to work in tests
-          DATABASE_URL: postgresql://outpost:password@host.docker.internal:5432/outpost_test
-          DB_URI: mongodb://root:password@host.docker.internal:27017/outpost_development?authSource=admin
+          DATABASE_URL: postgresql://outpost:password@postgres:5432/outpost_test
+          DB_URI: mongodb://root:password@mongo:27017/outpost_development?authSource=admin
         run: |
           docker run \
           -e RAILS_ENV=test \
           -e GOOGLE_API_KEY="${{ secrets.GOOGLE_API_KEY }}" \
           -e OFSTED_FEED_API_ENDPOINT="https://test-ofsted-feed.stub" \
-          -e DATABASE_URL="postgresql://outpost:password@host.docker.internal:5432/outpost_test" \
-          -e DB_URI="mongodb://root:password@host.docker.internal:27017/outpost_development?authSource=admin" \
+          -e DATABASE_URL="postgresql://outpost:password@postgres:5432/outpost_test" \
+          -e DB_URI="mongodb://root:password@mongo:27017/outpost_development?authSource=admin" \
           -v ${{ github.workspace }}:/app --workdir /app gliderlabs/herokuish:latest bash -c "/bin/herokuish buildpack test"
 
       - name: Upload report to Codecov