diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 54bb1b9..7570131 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,7 +16,7 @@ jobs:
       postgres:
         image: amazon/dynamodb-local:latest
         ports:
-          - 8000:8000
+          - 18000:8000
     steps:
       - name: Checkout
         uses: actions/checkout@v2