diff --git a/charts/stable/ddns-go/Chart.yaml b/charts/stable/ddns-go/Chart.yaml
index db24d8d0084..c2d5b5e1024 100644
--- a/charts/stable/ddns-go/Chart.yaml
+++ b/charts/stable/ddns-go/Chart.yaml
@@ -1,8 +1,8 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: ddns-go
-version: 4.0.20
-appVersion: "4.5.4"
+version: 4.0.21
+appVersion: "4.5.5"
 description: Automatically obtain your public network IPv4 or IPv6 address and resolve it to the corresponding domain name service
 type: application
 deprecated: false