diff --git a/composer.json b/composer.json
index 059a81e..0e5591b 100755
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         "phpstan/phpstan": "0.12.11",
         "phpunit/phpunit": "*",
         "squizlabs/php_codesniffer": "3.5.6",
-        "symfony/yaml": "~2.1|~3.0|~4.0"
+        "symfony/yaml": "6.2.7"
     },
     "config": {
         "sort-packages": true
diff --git a/src/Observer/ObserverTime.php b/src/Observer/ObserverTime.php
index b73e70f..e7aa0af 100644
--- a/src/Observer/ObserverTime.php
+++ b/src/Observer/ObserverTime.php
@@ -18,7 +18,7 @@ class ObserverTime
      * ΔT is the difference between the Earth rotation time and the Terrestrial Time (TT).
      * It is derived from observation only and reported yearly in the Astronomical Almanac.
      *
-     * @param float $ΔT
+     * @param  float  $ΔT
      */
     public $ΔT = 0;
     public $JulianEphemerisDay = 0;
@@ -27,8 +27,7 @@ class ObserverTime
 
     private function calcJulianDay()
     {
-
-// is the month of the year (e.g. 1 for January, ..etc.).
+        // is the month of the year (e.g. 1 for January, ..etc.).
         // !!! Note that if M > 2, then Y and M are not changed
         // !!! ,but if M = 1 or 2, then Y = Y -1 and M = M + 12.
 
diff --git a/src/SunPosition.php b/src/SunPosition.php
index a465982..0367e16 100644
--- a/src/SunPosition.php
+++ b/src/SunPosition.php
@@ -424,11 +424,11 @@ public function calculate()
         $Δe° *= (283.0 / (273.0 + $T));
         $Δe° *= (
             1.02 / (
-            60.0 * tan(
-                // e0° is in degrees. Calculate the tangent argument in degrees,
-                // then convert to radians if required by calculator or computer.
+                60.0 * tan(
+                    // e0° is in degrees. Calculate the tangent argument in degrees,
+                    // then convert to radians if required by calculator or computer.
                     $this->_toRadians($e0° + 10.3 / ($e0° + 5.11))
-        )
+                )
             )
         );
 
diff --git a/tests/SolarDataTest.php b/tests/SolarDataTest.php
index 0119b56..54f8729 100644
--- a/tests/SolarDataTest.php
+++ b/tests/SolarDataTest.php
@@ -34,15 +34,15 @@ public function testSetObserverPosition()
     {
         $this->mock->setObserverPosition(31, -7, 400);
         $this->assertSame(
-                [
-                    (float) 31,
-                    (float) -7,
-                    (float) 400,
-                ], [
-                    $this->mock->getObserver()->ObserverPosition->latitude,
-                    $this->mock->getObserver()->ObserverPosition->longitude,
-                    $this->mock->getObserver()->ObserverPosition->altitude,
-                ]);
+            [
+                (float) 31,
+                (float) -7,
+                (float) 400,
+            ], [
+                $this->mock->getObserver()->ObserverPosition->latitude,
+                $this->mock->getObserver()->ObserverPosition->longitude,
+                $this->mock->getObserver()->ObserverPosition->altitude,
+            ]);
     }
 
     /**
@@ -54,15 +54,15 @@ public function testSetObserverDate()
     {
         $this->mock->setObserverDate(2000, 1, 1);
         $this->assertSame(
-                [
-                    (float) 2000,
-                    (float) 1,
-                    (float) 1,
-                ], [
-                    $this->mock->getObserver()->ObserverTime->Year,
-                    $this->mock->getObserver()->ObserverTime->Month,
-                    $this->mock->getObserver()->ObserverTime->Day,
-                ]);
+            [
+                (float) 2000,
+                (float) 1,
+                (float) 1,
+            ], [
+                $this->mock->getObserver()->ObserverTime->Year,
+                $this->mock->getObserver()->ObserverTime->Month,
+                $this->mock->getObserver()->ObserverTime->Day,
+            ]);
     }
 
     /**
@@ -74,15 +74,15 @@ public function testSetObserverTime()
     {
         $this->mock->setObserverTime(12, 0);
         $this->assertSame(
-                [
-                    (float) 12,
-                    (float) 0,
-                    (float) 0,
-                ], [
-                    $this->mock->getObserver()->ObserverTime->Hour,
-                    $this->mock->getObserver()->ObserverTime->Minute,
-                    $this->mock->getObserver()->ObserverTime->Second,
-                ]);
+            [
+                (float) 12,
+                (float) 0,
+                (float) 0,
+            ], [
+                $this->mock->getObserver()->ObserverTime->Hour,
+                $this->mock->getObserver()->ObserverTime->Minute,
+                $this->mock->getObserver()->ObserverTime->Second,
+            ]);
     }
 
     public function dataProviderTableA4_julianDay()
@@ -331,7 +331,7 @@ public function testDataTestSunInfoPHP($datatime, $sundata)
                 .date('H:i', $ZTSunrise).' is out of tollerance error respect '.date('H:i', $ZTSunrise_check).PHP_EOL
                 .date('H:i', $ZTTransit).' is out of tollerance error respect '.date('H:i', $ZTTransit_check).PHP_EOL
                 .date('H:i', $ZTSunset).' is out of tollerance error respect '.date('H:i', $ZTSunset_check).PHP_EOL
-            );
+        );
     }
 
     private function getTestHMfromHMS($timeHMS)