diff --git a/lower-constraints.txt b/lower-constraints.txt
index e336d3ae9..e8b5e240e 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -5,7 +5,7 @@ Babel==2.3.4
 beautifulsoup4==4.6.0
 castellan==0.18.0
 certifi==2018.1.18
-cffi==1.11.5
+cffi==1.14
 chardet==3.0.4
 cliff==2.11.0
 cmd2==0.8.1