diff --git a/app-files/apps.yaml b/app-files/apps.yaml
index ea0c8c8..da6f84b 100644
--- a/app-files/apps.yaml
+++ b/app-files/apps.yaml
@@ -175,7 +175,7 @@ spec:
   sources:
     - repoURL: https://charts.openproject.org
       chart: openproject
-      targetRevision: 9.3.0
+      targetRevision: 8.3.2
       helm:
         releaseName: openproject
         valueFiles:
diff --git a/openproject/values.yaml b/openproject/values.yaml
index 86832fb..84df56b 100644
--- a/openproject/values.yaml
+++ b/openproject/values.yaml
@@ -1,7 +1,7 @@
 image:
   registry: git.ar21.de
   repository: aaron/openproject
-  tag: '15'
+  tag: '6'
 appInit:
   resources:
     limits:
@@ -20,11 +20,12 @@ workers:
     replicas: 2
 environment:
   OPENPROJECT_DISABLE__PASSWORD__LOGIN: true
+
 openproject:
   admin_user:
-    password_reset: 'true'
-    name: Aaron Riedel
-    mail: aaron@ar21.de
+    password_reset: "true"
+    name: "Aaron Riedel"
+    mail: "aaron@ar21.de"
   extraEnvVarsSecret: openproject-secret
   oidc:
     enabled: true
@@ -37,7 +38,7 @@ openproject:
     tokenEndpoint: /application/o/token/
     authorizationEndpoint: /application/o/authorize/
     endSessionEndpoint: /application/o/openproject/end-session/
-    scope: '[openid email profile]'
+    scope: "[openid email profile]"
 persistence:
   enabled: false
 s3: