diff --git a/test-requirements.txt b/test-requirements.txt
index 3fbf658f..6a0fc4c2 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,5 +11,5 @@ oslotest>=1.10.0 # Apache-2.0
 
 # doc build requirements
 oslosphinx>=4.7.0 # Apache-2.0
-sphinx!=1.6.1,>=1.5.1 # BSD
+sphinx>=1.6.2 # BSD
 reno!=2.3.1,>=1.8.0 # Apache-2.0