diff --git a/test_requirements.txt b/test_requirements.txt
index 1c82948..6cfc4d6 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -2,5 +2,5 @@ cookies==2.2.1
 coverage==5.5
 mock==4.0.3
 pbr==5.6.0
-responses==0.13.4
+responses==0.21.0
 six==1.16.0