Add require_rule_for_booleans option

config/data.php

@@ -66,6 +66,11 @@
         Spatie\LaravelData\RuleInferrers\AttributesRuleInferrer::class,
     ],
 
+    /**
+     * By default, boolean attributes that are non-optional, non-nullable, and have no default value are not required during validation.
+     */
+    'require_rule_for_booleans' => false,
+
     /**
      * Normalizers return an array representation of the payload, or null if
      * it cannot normalize the payload. The normalizers below are used for

src/RuleInferrers/BuiltInTypesRuleInferrer.php

@@ -29,7 +29,9 @@ public function handle(
         }
 
         if ($property->type->type->acceptsType('bool')) {
-            $rules->removeType(RequiringRule::class);
+            if (! config('data.require_rule_for_booleans')) {
+                $rules->removeType(RequiringRule::class);
+            }
 
             $rules->add(new BooleanType());
         }

tests/ValidationTest.php

@@ -112,17 +112,27 @@
         ]);
 });
 
-it('can validate a bool', function () {
+it('can validate a bool', function (bool $requireRuleForBooleans) {
     $dataClass = new class () extends Data {
         public bool $property;
     };
 
+    config()->set('data.require_rule_for_booleans', $requireRuleForBooleans);
+
+    $rules = [];
+
+    if ($requireRuleForBooleans) {
+        $rules[] = 'required';
+    }
+
+    $rules[] = 'boolean';
+
     DataValidationAsserter::for($dataClass)
         ->assertOk(['property' => true])
         ->assertRules([
-            'property' => ['boolean'],
+            'property' => $rules,
         ]);
-});
+})->with([true, false]);
 
 it('can validate a nullable type', function () {
     $dataClass = new class () extends Data {