diff --git a/test-requirements.txt b/test-requirements.txt
index bca8e18c..02914186 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,7 @@ fixtures>=1.3.1
 requests-mock>=0.6.0 # Apache-2.0
 mock>=1.2
 mox3>=0.7.0
-oslosphinx>=2.5.0 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 testrepository>=0.0.18