diff --git a/test_requirements.txt b/test_requirements.txt
index 1c82948..99e26a3 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,6 +1,6 @@
 cookies==2.2.1
 coverage==5.5
 mock==4.0.3
-pbr==5.6.0
+pbr==5.11.0
 responses==0.13.4
 six==1.16.0