diff --git a/setup.py b/setup.py
index 5905683..6cf98cc 100644
--- a/setup.py
+++ b/setup.py
@@ -17,12 +17,13 @@ setup(
     description=description,
     name="jandd.sphinxext.ip",
     namespace_packages=['jandd', 'jandd.sphinxext'],
+    install_requires=['Sphinx>=1.4', 'ipcalc>=1.99'],
     packages=find_packages(),
     version=version,
     keywords="sphinx extension IP",
     license="GPLv3+",
     classifiers=[
-        "Development Status :: 2 - Pre-Alpha",
+        "Development Status :: 4 - Beta",
         "Framework :: Sphinx :: Extension",
         "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
         "Programming Language :: Python :: 3",