diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 66adb433..61153a39 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -63,6 +63,11 @@ jobs:
         options: --name=mssql --health-cmd="/opt/mssql-tools${{ matrix.mssql.odbc-version }}/bin/sqlcmd ${{ matrix.mssql.flag }} -S localhost -U SA -P 'YourStrong!Passw0rd' -Q 'SELECT 1'" --health-interval=10s --health-timeout=5s --health-retries=3
 
     steps:
+      - name: Install ODBC driver.
+        run: |
+          sudo curl https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/prod.list | sudo tee /etc/apt/sources.list.d/mssql-release.list
+          sudo ACCEPT_EULA=Y apt-get install -y msodbcsql18
+
       - name: Checkout.
         uses: actions/checkout@v3
 
diff --git a/tests/Support/TestTrait.php b/tests/Support/TestTrait.php
index 3f77c031..a5df7a1c 100644
--- a/tests/Support/TestTrait.php
+++ b/tests/Support/TestTrait.php
@@ -38,6 +38,7 @@ protected function getConnection(bool $fixture = false): PdoConnectionInterface
     protected static function getDb(): PdoConnectionInterface
     {
         $dsn = (new Dsn('sqlsrv', 'localhost', 'yiitest'))->asString();
+        $dsn .= ';TrustServerCertificate=yes';
 
         return new Connection(
             new Driver($dsn, 'SA', 'YourStrong!Passw0rd'),
@@ -49,6 +50,7 @@ protected function getDsn(): string
     {
         if ($this->dsn === '') {
             $this->dsn = (new Dsn('sqlsrv', 'localhost', 'yiitest'))->asString();
+            $this->dsn .= ';TrustServerCertificate=yes';
         }
 
         return $this->dsn;