diff --git a/requirements.txt b/requirements.txt
index 0edd4e1e..43a688fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 appdirs==1.4.3
 asn1crypto==0.22.0
 backports.ssl-match-hostname==3.5.0.1
-cffi==1.10.0
+cffi==1.14.4
 cryptography==3.2
 enum34==1.1.6
 idna==2.5