diff --git a/cloudflare/mail_server/provider.tf b/cloudflare/mail_server/provider.tf
index ecc226a..53552a7 100644
--- a/cloudflare/mail_server/provider.tf
+++ b/cloudflare/mail_server/provider.tf
@@ -4,7 +4,7 @@ terraform {
   required_providers {
     cloudflare = {
       source  = "cloudflare/cloudflare"
-      version = "4.20.0"
+      version = "4.21.0"
     }
     namecheap = {
       source  = "namecheap/namecheap"
diff --git a/cloudflare/mail_server_secondary/provider.tf b/cloudflare/mail_server_secondary/provider.tf
index ecc226a..53552a7 100644
--- a/cloudflare/mail_server_secondary/provider.tf
+++ b/cloudflare/mail_server_secondary/provider.tf
@@ -4,7 +4,7 @@ terraform {
   required_providers {
     cloudflare = {
       source  = "cloudflare/cloudflare"
-      version = "4.20.0"
+      version = "4.21.0"
     }
     namecheap = {
       source  = "namecheap/namecheap"