diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd5de5a..f55338b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,13 +8,12 @@ jobs:
   tests:
     runs-on: ubuntu-latest
 
-    name: "PHP ${{ matrix.php }}, Symfony ${{ matrix.symfony }}"
+    name: "PHP ${{ matrix.php }}"
 
     strategy:
       fail-fast: false
       matrix:
         php: [8.1, 8.2, 8.3, 8.4]
-        symfony: [^5.4, ^6.0, ^7.0]
 
     env:
       APP_ENV: test
@@ -43,12 +42,6 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-php-${{ matrix.php }}-composer-
 
-      - name: Restrict Symfony version
-        if: matrix.symfony != ''
-        run: |
-          composer global require --no-progress --no-scripts --no-plugins "symfony/flex:^1.10"
-          composer config extra.symfony.require "${{ matrix.symfony }}"
-
       - run: symfony composer install --no-interaction
 
       - run: symfony composer validate --strict
diff --git a/README.md b/README.md
index f13f000..b011af9 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ payum:
       certif_test: 'change it' # required 
       sandbox: true
       hash_algorithm: 'algo-sha1' # or 'algo-hmac-sha256'
-      endpoint: 'system-pay' # 'system-pay', 'sogecommerce'
+      endpoint: 'systempay' # 'systempay', 'sogecommerce', 'payzen'
 ```
 
 ### With Payum
@@ -69,7 +69,7 @@ $payum = (new PayumBuilder())
         'certif_test'    => 'change it', // required
         'sandbox'        => true,
         'hash_algorithm' => 'algo-sha1' // or 'algo-hmac-sha256'
-        'endpoint'       => 'system-pay' // 'system-pay', 'sogecommerce'
+        'endpoint'       => 'systempay' // 'system-pay', 'sogecommerce', 'payzen'
     ])
 
     ->getPayum()
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
new file mode 100644
index 0000000..ed00c72
--- /dev/null
+++ b/phpstan-baseline.neon
@@ -0,0 +1,41 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Property Yproximite\\\\Payum\\\\Payzen\\\\Tests\\\\Action\\\\CaptureActionTest\\:\\:\\$requestClass \\(Payum\\\\Core\\\\Request\\\\Generic\\) does not accept default value of type string\\.$#"
+			count: 1
+			path: tests/Action/CaptureActionTest.php
+
+		-
+			message: "#^Property Yproximite\\\\Payum\\\\Payzen\\\\Tests\\\\Action\\\\ConvertPaymentActionTest\\:\\:\\$requestClass \\(Payum\\\\Core\\\\Request\\\\Generic\\) does not accept default value of type string\\.$#"
+			count: 1
+			path: tests/Action/ConvertPaymentActionTest.php
+
+		-
+			message: "#^Call to an undefined method PHPUnit\\\\Framework\\\\MockObject\\\\MockObject\\|Yproximite\\\\Payum\\\\Payzen\\\\Api\\:\\:expects\\(\\)\\.$#"
+			count: 1
+			path: tests/Action/NotifyActionTest.php
+
+		-
+			message: "#^Property Yproximite\\\\Payum\\\\Payzen\\\\Tests\\\\Action\\\\NotifyActionTest\\:\\:\\$requestClass \\(Payum\\\\Core\\\\Request\\\\Generic\\) does not accept default value of type string\\.$#"
+			count: 1
+			path: tests/Action/NotifyActionTest.php
+
+		-
+			message: "#^Property Payum\\\\Core\\\\Tests\\\\GenericActionTest\\:\\:\\$action \\(Payum\\\\Core\\\\Action\\\\ActionInterface\\) does not accept object\\.$#"
+			count: 1
+			path: tests/Action/StatusActionTest.php
+
+		-
+			message: "#^Property Yproximite\\\\Payum\\\\Payzen\\\\Tests\\\\Action\\\\StatusActionTest\\:\\:\\$requestClass \\(Payum\\\\Core\\\\Request\\\\Generic\\) does not accept default value of type string\\.$#"
+			count: 1
+			path: tests/Action/StatusActionTest.php
+
+		-
+			message: "#^Cannot call method add\\(\\) on DateTimeImmutable\\|false\\.$#"
+			count: 2
+			path: tests/PaymentConfigGeneratorTest.php
+
+		-
+			message: "#^Call to method ReflectionClass\\<Yproximite\\\\Payum\\\\Payzen\\\\PayzenGatewayFactory\\>\\:\\:isSubclassOf\\(\\) with 'Payum\\\\\\\\Core…' will always evaluate to true\\.$#"
+			count: 1
+			path: tests/PayzenGatewayFactoryTest.php
diff --git a/phpstan.neon b/phpstan.neon
index c356712..28aa754 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,5 +1,5 @@
 includes:
-#    - phpstan-baseline.neon
+    - phpstan-baseline.neon
     - vendor/phpstan/phpstan-strict-rules/rules.neon
 
 parameters: