diff --git a/test-requirements.txt b/test-requirements.txt
index 4b44a7077..b7623f8ed 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -19,6 +19,7 @@ oslo.messaging>=5.29.0 # Apache-2.0
 oslo.policy>=1.30.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 os-api-ref>=1.4.0 # Apache-2.0
+oauthlib>=0.6.2 # BSD
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
 reno>=2.5.0 # Apache-2.0
 requests-mock>=1.1.0 # Apache-2.0