diff --git a/charts/shlink-backend/Chart.yaml b/charts/shlink-backend/Chart.yaml
index 337087f9..91e65178 100644
--- a/charts/shlink-backend/Chart.yaml
+++ b/charts/shlink-backend/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: shlink-backend
 description: A PHP-based self-hosted URL shortener that can be used to serve shortened URLs under your own domain.
 type: application
-version: 4.5.0
+version: 4.5.1
 appVersion: "3.7.4"
 home: https://github.com/christianhuth/helm-charts
 icon: https://shlink.io/images/shlink-logo-blue.svg
@@ -19,7 +19,7 @@ dependencies:
     condition: mariadb.enabled
   - name: mysql
     repository: https://charts.bitnami.com/bitnami
-    version: 9.23.0
+    version: 11.1.15
     condition: mysql.enabled
   - name: postgresql
     repository: https://charts.bitnami.com/bitnami