diff --git a/.github/workflows/schema-dump.yml b/.github/workflows/schema-dump.yml
index 6a262b5d1..4a16a139c 100644
--- a/.github/workflows/schema-dump.yml
+++ b/.github/workflows/schema-dump.yml
@@ -42,7 +42,7 @@ jobs:
     - name: Run Flyway migrations
       uses: docker://flyway/flyway:10-alpine
       env:
-        FLYWAY_URL: jdbc:postgresql://localhost:5432/postgres
+        FLYWAY_URL: jdbc:postgresql://postgres:5432/postgres
         FLYWAY_USER: postgres
         FLYWAY_PASSWORD: postgres
       with:
@@ -52,7 +52,7 @@ jobs:
       run: |
         mkdir -p backend/docs
         PGPASSWORD=postgres pg_dump \
-          -h localhost \
+          -h postgres \
           -U postgres \
           -d postgres \
           --schema-only \