diff --git a/requirements.txt b/requirements.txt
index e1d8277b..d89dc760 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile requirements.in
 #
-alabaster==0.7.12
+alabaster==0.7.13
     # via
     #   -r requirements.in
     #   sphinx