diff --git a/requirements.txt b/requirements.txt
index 432eb5b..048899b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 tempest>=17.1.0 # Apache-2.0
-tenacity>=3.2.1 # Apache-2.0
+tenacity>=4.4.0 # Apache-2.0