diff --git a/requirements.txt b/requirements.txt
index e7c3228..52572e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 attrs==21.4.0
-cffi==1.15.0
+cffi==1.15.1
 cryptography==37.0.0
 iniconfig==1.1.1
 packaging==21.3