diff --git a/test-requirements.txt b/test-requirements.txt
index 58d8ba26..143d04f8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ coverage>=3.6
 discover
 fixtures>=1.3.1
 mock>=1.2
-oslosphinx>=2.5.0 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 python-subunit>=0.0.18
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 tempest-lib>=0.10.0