diff --git a/.github/workflows/test_pgvector.yml b/.github/workflows/test_pgvector.yml
index 401be800d..067903da6 100644
--- a/.github/workflows/test_pgvector.yml
+++ b/.github/workflows/test_pgvector.yml
@@ -58,7 +58,7 @@ jobs:
           installer-parallel: true
 
       - name: Install dependencies
-        run: poetry install --no-interaction
+        run: poetry install --with postgres --no-interaction
 
       - name: Run default PGVector
         env: