diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index c1a17ea0..b6e5e4f5 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -12,7 +12,7 @@ jobs:
           POSTGRES_USER: pinafore
           POSTGRES_PASSWORD: pinafore
           POSTGRES_DB: pinafore_development
-          POSTGRES_HOST: localhost
+          POSTGRES_HOST: 127.0.0.1
         ports:
           - 5432/tcp
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5