diff --git a/doc/requirements.txt b/doc/requirements.txt
index a3a6307f35..9d7a1a80df 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -8,7 +8,7 @@
 openstackdocstheme>=2.2.0 # Apache-2.0
 reno>=3.1.0 # Apache-2.0
 sphinx>=2.0.0,!=2.1.0 # BSD
-doc8>=0.6.0 # Apache-2.0
+doc8>=0.8.1 # Apache-2.0
 
 # The below is rewquired to build testing module reference
 mock>=2.0.0 # BSD