diff --git a/requirements_dev.txt b/requirements_dev.txt
index 23f65b9..bd434ce 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-alabaster==0.7.8
+alabaster==1.0.0
 argh==0.26.2
 Babel==2.3.4
 bumpversion==0.5.3