pyvo is now a dependency
@@ -74,6 +74,7 @@ The following packages are required for astroquery installation & use:
* `numpy <http://www.numpy.org>`_ >= 1.14
* `astropy <http://www.astropy.org>`__ (>=3.1)
+* `pyVO`_ (>=1.1)
* `requests <http://docs.python-requests.org/en/latest/>`_
* `keyring <https://pypi.python.org/pypi/keyring>`_
* `Beautiful Soup <https://www.crummy.com/software/BeautifulSoup/>`_
@@ -91,12 +92,6 @@ full functionality of the `~astroquery.alma` module:
* `APLpy <http://aplpy.readthedocs.io/>`_
* `pyregion <http://pyregion.readthedocs.io/>`_
-
-The following packages are optional dependencies and are required for the
-functionality of the `~astroquery.cadc` module:
-
-* `pyVO`_ (>=1.0)
-
The following packages are optional dependencies and are required for the
full functionality of the `~astroquery.cds` module:
