diff --git a/lower-constraints.txt b/lower-constraints.txt
index c53df18..c44b9b9 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -2,7 +2,7 @@ alabaster==0.7.10
 appdirs==1.3.0
 Babel==2.3.4
 bandit==1.1.0
-cffi==1.7.0
+cffi==1.14.0
 debtcollector==1.2.0
 docutils==0.11
 dulwich==0.15.0
diff --git a/requirements.txt b/requirements.txt
index 8541ac3..99b4412 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ oslo.log>=3.36.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
-cffi>=1.7.0 # MIT
+cffi>=1.14.0 # MIT
 eventlet>=0.21.0 # MIT
 greenlet>=0.4.14 # MIT
 msgpack>=0.6.0 # Apache-2.0