diff --git a/ecs.php b/ecs.php
index ef0ad2a..0a07303 100644
--- a/ecs.php
+++ b/ecs.php
@@ -14,13 +14,16 @@
 use PhpCsFixer\Fixer\ClassNotation\NoBlankLinesAfterClassOpeningFixer;
 use PhpCsFixer\Fixer\ClassNotation\SelfAccessorFixer;
 use PhpCsFixer\Fixer\Whitespace\ArrayIndentationFixer;
+use SlevomatCodingStandard\Sniffs\Arrays\SingleLineArrayWhitespaceSniff;
 use SlevomatCodingStandard\Sniffs\Arrays\TrailingArrayCommaSniff;
 use SlevomatCodingStandard\Sniffs\Classes\ClassConstantVisibilitySniff;
+use SlevomatCodingStandard\Sniffs\Classes\TraitUseDeclarationSniff;
 use SlevomatCodingStandard\Sniffs\Commenting\EmptyCommentSniff;
 use SlevomatCodingStandard\Sniffs\Commenting\UselessFunctionDocCommentSniff;
 use SlevomatCodingStandard\Sniffs\ControlStructures\EarlyExitSniff;
 use SlevomatCodingStandard\Sniffs\ControlStructures\NewWithParenthesesSniff;
 use SlevomatCodingStandard\Sniffs\ControlStructures\RequireNullCoalesceOperatorSniff;
+use SlevomatCodingStandard\Sniffs\ControlStructures\UselessTernaryOperatorSniff;
 use SlevomatCodingStandard\Sniffs\Exceptions\DeadCatchSniff;
 use SlevomatCodingStandard\Sniffs\Functions\UnusedInheritedVariablePassedToClosureSniff;
 use SlevomatCodingStandard\Sniffs\Functions\UnusedParameterSniff;
@@ -29,13 +32,18 @@
 use SlevomatCodingStandard\Sniffs\Namespaces\MultipleUsesPerLineSniff;
 use SlevomatCodingStandard\Sniffs\Namespaces\UnusedUsesSniff;
 use SlevomatCodingStandard\Sniffs\Namespaces\UseFromSameNamespaceSniff;
+use SlevomatCodingStandard\Sniffs\Operators\DisallowEqualOperatorsSniff;
 use SlevomatCodingStandard\Sniffs\PHP\ShortListSniff;
 use SlevomatCodingStandard\Sniffs\PHP\TypeCastSniff;
 use SlevomatCodingStandard\Sniffs\PHP\UselessParenthesesSniff;
 use SlevomatCodingStandard\Sniffs\PHP\UselessSemicolonSniff;
+use SlevomatCodingStandard\Sniffs\TypeHints\DeclareStrictTypesSniff;
+use SlevomatCodingStandard\Sniffs\TypeHints\DisallowMixedTypeHintSniff;
 use SlevomatCodingStandard\Sniffs\TypeHints\LongTypeHintsSniff;
 use SlevomatCodingStandard\Sniffs\TypeHints\NullableTypeForNullDefaultValueSniff;
+use SlevomatCodingStandard\Sniffs\TypeHints\ParameterTypeHintSniff;
 use SlevomatCodingStandard\Sniffs\TypeHints\ParameterTypeHintSpacingSniff;
+use SlevomatCodingStandard\Sniffs\TypeHints\ReturnTypeHintSniff;
 use SlevomatCodingStandard\Sniffs\TypeHints\ReturnTypeHintSpacingSniff;
 use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
 use Symplify\CodingStandard\Fixer\ArrayNotation\ArrayOpenerAndCloserNewlineFixer;
@@ -57,6 +65,12 @@
         CamelCapsFunctionNameSniff::class => [
             '/tests/**',
         ],
+        'SlevomatCodingStandard\Sniffs\TypeHints\ReturnTypeHintSniff.MissingTraversableTypeHintSpecification' => [
+            '*'
+        ],
+        'SlevomatCodingStandard\Sniffs\TypeHints\ParameterTypeHintSniff.MissingTraversableTypeHintSpecification' => [
+            '*'
+        ],
     ]);
 
     $services = $containerConfigurator->services();
@@ -109,4 +123,12 @@
     $services->set(SelfAccessorFixer::class);
     $services->set(ArrayIndentationFixer::class);
     $services->set(ArrayOpenerAndCloserNewlineFixer::class);
+    $services->set(DisallowEqualOperatorsSniff::class);
+    $services->set(TraitUseDeclarationSniff::class);
+    $services->set(DeclareStrictTypesSniff::class);
+    $services->set(ReturnTypeHintSniff::class);
+    $services->set(UselessTernaryOperatorSniff::class);
+    $services->set(DisallowMixedTypeHintSniff::class);
+    $services->set(ParameterTypeHintSniff::class);
+    $services->set(SingleLineArrayWhitespaceSniff::class);
 };