diff --git a/src/Generator/Operation.php b/src/Generator/Operation.php
index 718bfe7..972b667 100644
--- a/src/Generator/Operation.php
+++ b/src/Generator/Operation.php
@@ -52,9 +52,11 @@ public static function generate(string $path, string $method, string $namespace,
                 $paramterStmt->setType(str_replace([
                     'integer',
                     'any',
+                    'boolean',
                 ], [
                     'int',
                     '',
+                    'bool',
                 ], $parameter->schema->type));
             }
             $class->addStmt($paramterStmt);
@@ -65,9 +67,11 @@ public static function generate(string $path, string $method, string $namespace,
                     str_replace([
                         'integer',
                         'any',
+                        'boolean',
                     ], [
                         'int',
                         '',
+                        'bool',
                     ], $parameter->schema->type)
                 );
             }
diff --git a/src/Generator/Operations.php b/src/Generator/Operations.php
index a5b81ec..a71490f 100644
--- a/src/Generator/Operations.php
+++ b/src/Generator/Operations.php
@@ -52,9 +52,11 @@ public static function generate(string $path, string $method, string $namespace,
                 setType(str_replace([
                     'integer',
                     'any',
+                    'boolean',
                 ], [
                     'int',
                     '',
+                    'bool',
                 ], $parameter->schema->type))
             );
 
@@ -64,9 +66,11 @@ public static function generate(string $path, string $method, string $namespace,
                 str_replace([
                     'integer',
                     'any',
+                    'boolean',
                 ], [
                     'int',
                     '',
+                    'bool',
                 ], $parameter->schema->type)
             );
             if ($parameter->schema->default !== null) {
diff --git a/src/Generator/Path.php b/src/Generator/Path.php
index b70855b..b83af14 100644
--- a/src/Generator/Path.php
+++ b/src/Generator/Path.php
@@ -36,9 +36,11 @@ public static function generate(string $path, string $namespace, string $baseNam
                         str_replace([
                             'integer',
                             'any',
+                            'boolean',
                         ], [
                             'int',
                             '',
+                            'bool',
                         ], $parameter->schema->type)
                     );
                 }
diff --git a/src/Generator/Schema.php b/src/Generator/Schema.php
index 49f5458..8eb5d14 100644
--- a/src/Generator/Schema.php
+++ b/src/Generator/Schema.php
@@ -82,16 +82,20 @@ public static function generate(string $name, string $namespace, string $classNa
                 $propertyStmt->setType(str_replace([
                     'integer',
                     'any',
+                    'boolean',
                 ], [
                     'int',
                     '',
+                    'bool',
                 ], $property->type));
                 $method->setReturnType(str_replace([
                     'integer',
                     'any',
+                    'boolean',
                 ], [
                     'int',
                     '',
+                    'bool',
                 ], $property->type));
             }