diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index 096c72559..02b91c44d 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -9,7 +9,6 @@ on:
   schedule:
     - cron: "0 0 * * *"
 env:
-  POSTGRES_USER: runner
   POSTGRES_PASSWORD: ""
   POSTGRES_DB: postgres
 
@@ -24,6 +23,8 @@ jobs:
         os:
           - ubuntu-latest
           - windows-latest
+    env:
+      POSTGRES_USER: ${{ matrix.os == 'windows-latest' && 'postgres' || 'runner' }}
 
     name: "Run tests: ${{ matrix.os }}"
 
@@ -35,7 +36,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          extensions: dom, curl, libxml, mbstring, pcntl, fileinfo, pdo, sqlite, pdo_sqlite, pdo_mysql, pdo_pgsql intl, ftp, zip
+          extensions: dom, curl, libxml, mbstring, pcntl, fileinfo, pdo, sqlite, pdo_sqlite, pdo_mysql, pdo_pgsql, intl, ftp, zip
           coverage: pcov
 
       - name: Setup Bun
@@ -67,9 +68,8 @@ jobs:
         stability:
           - prefer-stable
           - prefer-lowest
-        exclude:
-          - os: windows-latest
-            database: postgres
+    env:
+      POSTGRES_USER: ${{ matrix.os == 'windows-latest' && 'postgres' || 'runner' }}
 
     name: "Run tests: PHP ${{ matrix.php }} - ${{ matrix.database }} - ${{ matrix.stability }} - ${{ matrix.os }}"
 
@@ -81,7 +81,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          extensions: dom, curl, libxml, mbstring, pcntl, fileinfo, pdo, sqlite, pdo_sqlite, pdo_mysql, intl, ftp, zip
+          extensions: dom, curl, libxml, mbstring, pcntl, fileinfo, pdo, sqlite, pdo_sqlite, pdo_mysql, pdo_pgsql, intl, ftp, zip
           coverage: pcov
 
       - name: Setup problem matchers