diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f6eb4a0..e8c26e7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,8 @@ jobs:
 
       - name: Run tests
         env:
-          DEFAULT_REGION: us-east-1
+          AWS_DEFAULT_REGION: us-east-1
+          AWS_REGION: us-east-1
           AWS_ACCOUNT_ID: "000000000000"
           AWS_ACCESS_KEY_ID: dummy-access-key
           AWS_SECRET_ACCESS_KEY: dummy-secret-key