diff --git a/requirements.txt b/requirements.txt
index d8d71159..36fbd7dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-cloudflare==3.1.1
+cloudflare==4.0.0
 dnspython==2.7.0
 email-validator==2.2.0
 makejinja==2.7.2