diff --git a/debianmemberportfolio/__init__.py b/debianmemberportfolio/__init__.py
index 56f6669..1667908 100644
--- a/debianmemberportfolio/__init__.py
+++ b/debianmemberportfolio/__init__.py
@@ -22,7 +22,7 @@
 #
 
 from flask import Flask
-from flask.ext.babel import Babel
+from flask_babel import Babel
 
 app = Flask(__name__)
 babel = Babel(app)
diff --git a/debianmemberportfolio/forms.py b/debianmemberportfolio/forms.py
index f35d02a..530f134 100644
--- a/debianmemberportfolio/forms.py
+++ b/debianmemberportfolio/forms.py
@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 
-from flask.ext.babel import gettext as _
-from flask.ext.wtf import Form
+from flask_babel import gettext as _
+from flask_wtf import Form
 from wtforms import IntegerField, StringField, RadioField
 from wtforms.validators import (
     AnyOf, DataRequired, Email, Length, Optional, Regexp
diff --git a/debianmemberportfolio/model/urlbuilder.py b/debianmemberportfolio/model/urlbuilder.py
index 26e786d..f948ddc 100644
--- a/debianmemberportfolio/model/urlbuilder.py
+++ b/debianmemberportfolio/model/urlbuilder.py
@@ -32,7 +32,7 @@ from encodings.utf_8 import StreamReader as UTF8StreamReader
 import pkg_resources
 from debianmemberportfolio.model import keyfinder
 from urllib.parse import quote_plus
-from flask.ext.babel import gettext as _, lazy_gettext as N_
+from flask_babel import gettext as _, lazy_gettext as N_
 
 
 my_config = ConfigParser()
diff --git a/debianmemberportfolio/views.py b/debianmemberportfolio/views.py
index 338ba2f..ab80d57 100644
--- a/debianmemberportfolio/views.py
+++ b/debianmemberportfolio/views.py
@@ -25,7 +25,7 @@ import logging
 
 from debianmemberportfolio import app, babel
 from flask import g, make_response, request, render_template, abort
-from flask.ext.babel import lazy_gettext as N_
+from flask_babel import lazy_gettext as N_
 from config import LANGUAGES
 from .forms import DeveloperData, DeveloperDataRequest
 from .model import dddatabuilder
diff --git a/docs/source/devdocs.rst b/docs/source/devdocs.rst
index 8e03b5c..bff484c 100644
--- a/docs/source/devdocs.rst
+++ b/docs/source/devdocs.rst
@@ -123,8 +123,8 @@ dictionary keys correspond to sections in the ini file. The dictionary values
 are dictionaries themselves that contain a special key ``label`` that defines
 the label of the section in the output and keys for each entry to be rendered
 in that section. The values in these sub-dictionaries are strings marked for
-translation using the :py:func:`~flask.ext.babel.lazy_gettext` function from
-:py:mod:`flask.ext.babel`.
+translation using the :py:func:`~flask_babel.lazy_gettext` function from
+:py:mod:`flask_babel`.
 
 The patterns in :file:`portfolio.ini` can contain the following placeholders
 that are filled at runtime: