diff --git a/test-requirements.txt b/test-requirements.txt
index e9bca9bc..1a6e23a1 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -32,4 +32,4 @@ eventlet>=0.17.4
 
 # Docs build jobs need these packages.
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-oslosphinx>=2.5.0 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0