diff --git a/doc/source/whatsnew/v0.24.0.rst b/doc/source/whatsnew/v0.24.0.rst
index aa8fbbd9b8dd8..5a3e142fd4bc9 100644
--- a/doc/source/whatsnew/v0.24.0.rst
+++ b/doc/source/whatsnew/v0.24.0.rst
@@ -1579,7 +1579,7 @@ Build Changes
 
 - Building pandas for development now requires ``cython >= 0.28.2`` (:issue:`21688`)
 - Testing pandas now requires ``hypothesis>=3.58``.  You can find `the Hypothesis docs here <https://hypothesis.readthedocs.io/en/latest/index.html>`_, and a pandas-specific introduction :ref:`in the contributing guide <using-hypothesis>`. (:issue:`22280`)
--
+- Installing pandas for Python 2.7 now requires ``enum34``.
 
 Other
 ^^^^^
diff --git a/setup.py b/setup.py
index cb52db98905d3..94090ad8a55e1 100755
--- a/setup.py
+++ b/setup.py
@@ -29,6 +29,7 @@ def is_platform_windows():
     'install_requires': [
         'python-dateutil >= 2.5.0',
         'pytz >= 2011k',
+        'enum34; python_version < "3.4"',
         'numpy >= {numpy_ver}'.format(numpy_ver=min_numpy_ver),
     ],
     'setup_requires': ['numpy >= {numpy_ver}'.format(numpy_ver=min_numpy_ver)],