diff --git a/README.md b/README.md
index eaa88f9..5fe4161 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,7 @@ Supported provider(s):
 * Cloudflare
 * HE.net
 * DNSPod
+* DuckDNS
 
 To enable the `IPv6` mode of GoDNS, you only need two steps:
 * Set the `ip_type` as `IPv6`, and make sure the `ipv6_url` is configured.