diff --git a/test-requirements.txt b/test-requirements.txt
index 196498ed..3ece0c00 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@ coverage>=5.2.1 # Apache-2.0
 psycopg2>=2.8.5 # LGPL/ZPL
 PyMySQL>=0.10.0 # MIT License
 oslotest>=4.4.1 # Apache-2.0
-requests_mock>=1.5.0 # Apache-2.0
+requests-mock>=1.5.0 # Apache-2.0
 stestr>=3.0.1 # Apache-2.0
 testresources>=2.0.1 # Apache-2.0/BSD
 testscenarios>=0.5.0 # Apache-2.0/BSD