1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index d736dc38d..629b77f3d 100644
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,7 @@ if not PY3:
     tests_require.append('zope.component>=3.11.0')
 
 docs_extras = [
-    'Sphinx',
+    'Sphinx >= 1.2.3',
     'docutils',
     'repoze.sphinx.autointerface',
     ]