diff --git a/requirements-dev.txt b/requirements-dev.txt
index 629922f..3adc310 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@ bleach==3.3.0
 bump2version==1.0.1
 bumpversion==0.6.0
 certifi==2021.5.30
-cffi==1.14.5
+cffi==1.14.6
 chardet==4.0.0
 colorama==0.4.4
 cryptography==3.4.7