diff --git a/charts/coturn/Chart.yaml b/charts/coturn/Chart.yaml
index d255b4e..24a82c7 100644
--- a/charts/coturn/Chart.yaml
+++ b/charts/coturn/Chart.yaml
@@ -7,7 +7,7 @@ home: "https://github.com/small-hack/coturn-chart"
 version: 9.1.0
 
 # renovate: image=coturn/coturn
-appVersion: 4.7.0
+appVersion: 4.8.0
 
 sources:
   - "https://github.com/small-hack/coturn-chart"
diff --git a/charts/coturn/README.md b/charts/coturn/README.md
index 4521bfc..ec1fbf1 100644
--- a/charts/coturn/README.md
+++ b/charts/coturn/README.md
@@ -1,6 +1,6 @@
 # coturn
 
-![Version: 9.1.0](https://img.shields.io/badge/Version-9.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 4.7.0](https://img.shields.io/badge/AppVersion-4.7.0-informational?style=flat-square)
+![Version: 9.1.0](https://img.shields.io/badge/Version-9.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 4.8.0](https://img.shields.io/badge/AppVersion-4.8.0-informational?style=flat-square)
 
 A Helm chart to deploy coturn