diff --git a/streifencheck-dev/index.yaml b/streifencheck-dev/index.yaml
index 0a15e92..a1ab9b2 100644
--- a/streifencheck-dev/index.yaml
+++ b/streifencheck-dev/index.yaml
@@ -1,6 +1,16 @@
 apiVersion: v1
 entries:
   streifencheck-backend:
+  - apiVersion: v2
+    appVersion: 0.21-dev.1
+    created: "2025-07-22T14:07:58.981615406+02:00"
+    description: A Helm chart for Kubernetes
+    digest: 5cc81b60af3a3d0128c5ae0cb129466cd54ca586318fbf57c00ebdb9853059ec
+    name: streifencheck-backend
+    type: application
+    urls:
+    - streifencheck-backend-0.21-dev.1.tgz
+    version: 0.21-dev.1
   - apiVersion: v2
     appVersion: 0.16-dev.1
     created: "2025-07-22T13:52:45.708385541+02:00"
@@ -14,7 +24,7 @@ entries:
   streifencheck-frontend:
   - apiVersion: v2
     appVersion: 0.9-dev.1
-    created: "2025-07-22T13:52:45.708701795+02:00"
+    created: "2025-07-22T14:07:58.981888515+02:00"
     description: A Helm chart for Kubernetes
     digest: 3d508e9b643e99ddd95dcdeb9d6d3c4873d4308168bd9c00e0c8ec2268df46e1
     name: streifencheck-frontend
@@ -22,4 +32,4 @@ entries:
     urls:
     - streifencheck-frontend-0.9-dev.1.tgz
     version: 0.9-dev.1
-generated: "2025-07-22T13:52:45.707889122+02:00"
+generated: "2025-07-22T14:07:58.981170122+02:00"
diff --git a/streifencheck-dev/streifencheck-backend-0.16-dev.1.tgz b/streifencheck-dev/streifencheck-backend-0.16-dev.1.tgz
deleted file mode 100644
index d1d3533..0000000
Binary files a/streifencheck-dev/streifencheck-backend-0.16-dev.1.tgz and /dev/null differ
diff --git a/streifencheck-dev/streifencheck-backend-0.21-dev.1.tgz b/streifencheck-dev/streifencheck-backend-0.21-dev.1.tgz
new file mode 100644
index 0000000..7459d3a
Binary files /dev/null and b/streifencheck-dev/streifencheck-backend-0.21-dev.1.tgz differ
diff --git a/streifencheck-dev/streifencheck-backend/Chart.yaml b/streifencheck-dev/streifencheck-backend/Chart.yaml
index 8fb9fb6..b1fbf65 100644
--- a/streifencheck-dev/streifencheck-backend/Chart.yaml
+++ b/streifencheck-dev/streifencheck-backend/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: streifencheck-backend
 description: A Helm chart for Kubernetes
 type: application
-version: 0.16-dev.1
-appVersion: 0.16-dev.1
+version: 0.21-dev.1
+appVersion: 0.21-dev.1
diff --git a/streifencheck-dev/streifencheck-backend/values.yaml b/streifencheck-dev/streifencheck-backend/values.yaml
index 551272e..afa225e 100644
--- a/streifencheck-dev/streifencheck-backend/values.yaml
+++ b/streifencheck-dev/streifencheck-backend/values.yaml
@@ -8,7 +8,7 @@ serviceAccount:
 
 image:
   repository: gitea.innovation-hub-niedersachsen.de/innohub/streifencheck-backend
-  tag: 0.16-dev.1
+  tag: 0.21-dev.1
   pullPolicy: IfNotPresent
   insecure: true