diff --git a/helmchart/single-sign-on/Chart.yaml b/helmchart/single-sign-on/Chart.yaml
index aeed1a0579f593e6b46e81b6cb3ecc8e7a0e723a..f8f9d1b909d2f5c1ee79c3e7390ba35f85547d79 100644
--- a/helmchart/single-sign-on/Chart.yaml
+++ b/helmchart/single-sign-on/Chart.yaml
@@ -1,12 +1,12 @@
 apiVersion: v2
 description: A Helm chart for Stackspin's Single sign-on components
 name: single-sign-on
-version: 0.7.2
+version: 0.7.3
 icon: https://stackspin.net/assets/images/logo.svg
 dependencies:
   # https://k8s.ory.sh/helm/hydra.html
   - name: hydra
-    version: 0.21.0
+    version: 0.21.5
     repository: "https://k8s.ory.sh/helm/charts"
     tags:
       - single-sign-on