diff --git a/doc/requirements.txt b/doc/requirements.txt
index f9ca1f3b3d..77873540be 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -3,8 +3,8 @@
 # process, which may cause wedges in the gate later.
 
 # this is required for the docs build jobs
-sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
+sphinx>=2.0.0 # BSD
 openstackdocstheme>=1.29.2 # Apache-2.0
-reno>=2.5.0 # Apache-2.0
-doc8>=0.6.0 # Apache-2.0
-bashate>=0.5.1 # Apache-2.0
+reno>=2.11.3 # Apache-2.0
+doc8>=0.8.0 # Apache-2.0
+bashate>=0.6.0 # Apache-2.0