diff --git a/flask_mongoengine/wtf/models.py b/flask_mongoengine/wtf/models.py
index abd473f5..857b40cf 100644
--- a/flask_mongoengine/wtf/models.py
+++ b/flask_mongoengine/wtf/models.py
@@ -1,6 +1,9 @@
-from flask_wtf import Form
+# -*- coding:utf-8 -*-
 
-class ModelForm(Form):
+from flask_wtf import FlaskForm
+
+
+class ModelForm(FlaskForm):
     """A WTForms mongoengine model form"""
 
     def __init__(self, formdata=None, obj=None, **kwargs):
@@ -18,4 +21,4 @@ def save(self, commit=True, **kwargs):
 
         if commit:
             self.instance.save(**kwargs)
-        return self.instance
\ No newline at end of file
+        return self.instance
diff --git a/setup.py b/setup.py
index 7e9a21d6..795e5a3c 100644
--- a/setup.py
+++ b/setup.py
@@ -51,8 +51,8 @@ def load_module(module_name, script_file):
     platforms='any',
     install_requires=[
         'Flask>=0.8',
+        'Flask-WTF>=0.13',
         'mongoengine>=0.8.0',
-        'flask-wtf',
     ],
     packages=['flask_mongoengine',
               'flask_mongoengine.wtf'],