diff --git a/dev-requirements.txt b/dev-requirements.txt
index 88a3296..e905289 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -5,6 +5,6 @@ tox>=1.4,<1.5
 invoke>=0.7.0
 invocations>=0.5.0
 sphinx>=1.1.3
-alabaster>=0.4.0
+alabaster>=0.6.0
 releases>=0.5.2
 wheel==0.23.0