diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 279dad77..bebf163f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
 
     env:
       COMPOSER_ROOT_VERSION: 1.0.0
-      EXTENSIONS: pdo, pdo_sqlsrv-5.10.1
+      EXTENSIONS: pdo, pdo_sqlsrv-5.11.1
 
     runs-on: ${{ matrix.os }}
 
@@ -40,6 +40,7 @@ jobs:
           - 8.0
           - 8.1
           - 8.2
+          - 8.3
 
         mssql:
           - server:2017-latest
diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index 669a9c63..5922b490 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -25,7 +25,7 @@ jobs:
 
     env:
       COMPOSER_ROOT_VERSION: 1.0.0
-      EXTENSIONS: pdo, pdo_sqlsrv-5.10.1
+      EXTENSIONS: pdo, pdo_sqlsrv-5.11.1
 
     runs-on: ${{ matrix.os }}
 
@@ -84,6 +84,6 @@ jobs:
 
       - name: Run infection.
         run: |
-          vendor/bin/roave-infection-static-analysis-plugin -j2 --ignore-msi-with-no-mutations --only-covered
+          vendor/bin/roave-infection-static-analysis-plugin --threads=2 --ignore-msi-with-no-mutations --only-covered
         env:
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
diff --git a/src/Driver.php b/src/Driver.php
index 45f22018..ed12c2c4 100644
--- a/src/Driver.php
+++ b/src/Driver.php
@@ -17,6 +17,8 @@ final class Driver extends AbstractPdoDriver
     public function createConnection(): PDO
     {
         $this->attributes += [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION];
+        $this->attributes += [PDO::ATTR_STRINGIFY_FETCHES => false];
+
         return parent::createConnection();
     }