Updated from global requirements

Change-Id: Ib835ceabc06da2beca5c44840fd9c171b7255885
diff --git a/requirements.txt b/requirements.txt
index 126a3dc..cd6a577 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@
 oslo.log>=3.22.0 # Apache-2.0
 oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
 oslo.policy>=1.23.0 # Apache-2.0
-tempest>=14.0.0 # Apache-2.0
+tempest>=16.1.0 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0