diff --git a/requirements.txt b/requirements.txt
index ba2c4b28..589a48e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-afdko==3.9.1
+afdko==4.0.0
 appdirs==1.4.4
 attrs==21.4.0
 black==22.6.0