diff --git a/requirements.txt b/requirements.txt
index e848e0ed..35146681 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,4 +23,4 @@ python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
 setuptools>=16.0 # PSF/ZPL
 six>=1.9.0 # MIT
 stevedore>=1.10.0 # Apache-2.0
-taskflow>=1.26.0 # Apache-2.0
+taskflow>=2.7.0 # Apache-2.0