diff --git a/requirements/doc.txt b/requirements/doc.txt
index 21214c0a6..93bacb727 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -1,4 +1,4 @@
 docutils==0.14
 releases==1.4.0 # updated from 1.3.1
-sphinx==1.6.4
+sphinx==1.6.5
 alagitpull==0.0.13