diff --git a/src/Languages/Blade/BladeLanguage.php b/src/Languages/Blade/BladeLanguage.php
index 0d4d78d..1c6d9b6 100644
--- a/src/Languages/Blade/BladeLanguage.php
+++ b/src/Languages/Blade/BladeLanguage.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Languages\Blade;
 
 use Tempest\Highlight\Languages\Blade\Injections\BladeKeywordInjection;
@@ -25,4 +27,4 @@ public function getPatterns(): array
             new BladeKeywordPattern(),
         ];
     }
-}
\ No newline at end of file
+}
diff --git a/src/Languages/Blade/Injections/BladeKeywordInjection.php b/src/Languages/Blade/Injections/BladeKeywordInjection.php
index 016b70d..79ead7b 100644
--- a/src/Languages/Blade/Injections/BladeKeywordInjection.php
+++ b/src/Languages/Blade/Injections/BladeKeywordInjection.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Languages\Blade\Injections;
 
 use Tempest\Highlight\Highlighter;
@@ -19,4 +21,4 @@ public function parseContent(string $content, Highlighter $highlighter): string
     {
         return $highlighter->parse($content, 'php');
     }
-}
\ No newline at end of file
+}
diff --git a/src/Languages/Blade/Injections/BladePhpInjection.php b/src/Languages/Blade/Injections/BladePhpInjection.php
index bccc5a4..a3bd9bf 100644
--- a/src/Languages/Blade/Injections/BladePhpInjection.php
+++ b/src/Languages/Blade/Injections/BladePhpInjection.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Languages\Blade\Injections;
 
 use Tempest\Highlight\Highlighter;
@@ -19,4 +21,4 @@ public function parseContent(string $content, Highlighter $highlighter): string
     {
         return $highlighter->parse($content, 'php');
     }
-}
\ No newline at end of file
+}
diff --git a/src/Languages/Blade/Patterns/BladeKeywordPattern.php b/src/Languages/Blade/Patterns/BladeKeywordPattern.php
index 1a47c1e..7ca120a 100644
--- a/src/Languages/Blade/Patterns/BladeKeywordPattern.php
+++ b/src/Languages/Blade/Patterns/BladeKeywordPattern.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Languages\Blade\Patterns;
 
 use Tempest\Highlight\IsPattern;
@@ -19,4 +21,4 @@ public function getTokenType(): TokenType
     {
         return TokenType::KEYWORD;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Languages/BladeLanguage.php b/src/Languages/BladeLanguage.php
index fd36b65..7af2e3c 100644
--- a/src/Languages/BladeLanguage.php
+++ b/src/Languages/BladeLanguage.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Languages;
 
 use Tempest\Highlight\Languages\Blade\Injections\BladeKeywordInjection;
@@ -25,4 +27,4 @@ public function getPatterns(): array
             new BladeKeywordPattern(),
         ];
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Languages/Blade/Injections/BladeKeywordInjectionTest.php b/tests/Languages/Blade/Injections/BladeKeywordInjectionTest.php
index 281fa16..59fb29f 100644
--- a/tests/Languages/Blade/Injections/BladeKeywordInjectionTest.php
+++ b/tests/Languages/Blade/Injections/BladeKeywordInjectionTest.php
@@ -1,10 +1,12 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Tests\Languages\Blade\Injections;
 
 use PHPUnit\Framework\Attributes\Test;
-use Tempest\Highlight\Highlighter;
 use PHPUnit\Framework\TestCase;
+use Tempest\Highlight\Highlighter;
 use Tempest\Highlight\Languages\Blade\Injections\BladeKeywordInjection;
 
 class BladeKeywordInjectionTest extends TestCase
diff --git a/tests/Languages/Blade/Injections/BladePhpInjectionTest.php b/tests/Languages/Blade/Injections/BladePhpInjectionTest.php
index 052acea..5d16184 100644
--- a/tests/Languages/Blade/Injections/BladePhpInjectionTest.php
+++ b/tests/Languages/Blade/Injections/BladePhpInjectionTest.php
@@ -1,11 +1,13 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Tests\Languages\Blade\Injections;
 
 use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
 use Tempest\Highlight\Highlighter;
 use Tempest\Highlight\Languages\Blade\Injections\BladePhpInjection;
-use PHPUnit\Framework\TestCase;
 
 class BladePhpInjectionTest extends TestCase
 {
diff --git a/tests/Languages/Blade/Patterns/BladeKeywordPatternTest.php b/tests/Languages/Blade/Patterns/BladeKeywordPatternTest.php
index 97acfe0..a28b446 100644
--- a/tests/Languages/Blade/Patterns/BladeKeywordPatternTest.php
+++ b/tests/Languages/Blade/Patterns/BladeKeywordPatternTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Tests\Languages\Blade\Patterns;
 
 use PHPUnit\Framework\Attributes\Test;
diff --git a/tests/Languages/Css/Injections/CssAttributeInjectionTest.php b/tests/Languages/Css/Injections/CssAttributeInjectionTest.php
index 5a4efdf..9c505b2 100644
--- a/tests/Languages/Css/Injections/CssAttributeInjectionTest.php
+++ b/tests/Languages/Css/Injections/CssAttributeInjectionTest.php
@@ -1,11 +1,13 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tempest\Highlight\Tests\Languages\Css\Injections;
 
 use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
 use Tempest\Highlight\Highlighter;
 use Tempest\Highlight\Languages\Css\Injections\CssAttributeInjection;
-use PHPUnit\Framework\TestCase;
 
 class CssAttributeInjectionTest extends TestCase
 {