diff --git a/lower-constraints.txt b/lower-constraints.txt
index 41965c7a1f2..3c5d2335013 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -15,7 +15,7 @@ ddt==1.0.1
 debtcollector==1.19.0
 decorator==3.4.0
 deprecation==1.0
-doc8==0.6.0
+doc8==0.8.1
 docutils==0.11
 dogpile.cache==0.6.5
 dulwich==0.15.0