diff --git a/lower-constraints.txt b/lower-constraints.txt
index d3cadd60797..e20e0f31b5e 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -139,7 +139,7 @@ statsd==3.2.2
 stestr==2.2.0
 stevedore==1.31.0
 tabulate==0.8.5
-taskflow==3.2.0
+taskflow==3.8.0
 Tempita==0.5.2
 tenacity==6.0.0
 testrepository==0.0.20
diff --git a/requirements.txt b/requirements.txt
index 20ed03d86fd..c0c4599f40d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ python-swiftclient>=3.2.0 # Apache-2.0
 pytz>=2013.6 # MIT
 requests>=2.14.2,!=2.20.0 # Apache-2.0
 Routes>=2.3.1 # MIT
-taskflow>=3.2.0 # Apache-2.0
+taskflow>=3.8.0 # Apache-2.0
 rtslib-fb>=2.1.65 # Apache-2.0
 six>=1.10.0 # MIT
 SQLAlchemy>=1.3.0 # MIT