diff --git a/.travis.yml b/.travis.yml
index c629c07..a96fb07 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ env:
 
 install:
   - pip install -U tox
-  - sudo apt-get install libffi-dev libsasl2-dev
+  - sudo apt-get install libffi-dev libsasl2-dev libldap2-dev
 
 script:
   - tox -e $TOX_ENV
diff --git a/setup.py b/setup.py
index f8fa661..fd48dd2 100755
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,7 @@ setup(
                  "Topic :: Software Development :: Libraries :: Python "
                  "Modules"],
     extras_require={
-        'develop': ["cherrypy==3.2.4"],
+        'develop': ["cherrypy==3.2.4", "python-ldap"],
     },
     install_requires=[
         "requests", "pycrypto>=2.6.1", "pyjwkest>=0.5.1",