diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5cb939c5..9033659f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -27,10 +27,10 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install postgresql
       run: |
-        sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+        sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg ${{ matrix.postgres-version }}" > /etc/apt/sources.list.d/pgdg.list'
         wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
         sudo apt update
-        sudo apt install -y postgresql-${{ matrix.postgres-version }}
+        sudo apt install -y postgresql-${{ matrix.postgres-version }} postgresql-common
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip