diff --git a/requirements.txt b/requirements.txt
index 5d6c2877..fb1fbc71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
 eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
 netaddr>=0.7.18 # BSD
-tenacity>=3.2.1 # Apache-2.0
+tenacity>=4.4.0 # Apache-2.0
 six>=1.10.0 # MIT
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0