diff --git a/charts/feedbacksystem/Chart.lock b/charts/feedbacksystem/Chart.lock
index 616c138..dc0e285 100644
--- a/charts/feedbacksystem/Chart.lock
+++ b/charts/feedbacksystem/Chart.lock
@@ -7,7 +7,7 @@ dependencies:
   version: 12.13.1
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 12.12.10
+  version: 15.4.0
 - name: mysql
   repository: https://charts.bitnami.com/bitnami
   version: 9.16.1
@@ -16,9 +16,9 @@ dependencies:
   version: 13.18.5
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 12.12.10
+  version: 15.4.0
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 12.12.10
-digest: sha256:0545b232401412eeae2904fa92f2c0dce67ce0ed4f7af51bbf17c4b4fd6805db
-generated: "2024-01-08T14:45:32.99001508Z"
+  version: 15.4.0
+digest: sha256:a8088ff775ad9002c8b2fdc5873cdbcb3af3176e0e0e3a309d3f87d93e62ee04
+generated: "2024-05-21T20:47:21.242743802Z"
diff --git a/charts/feedbacksystem/Chart.yaml b/charts/feedbacksystem/Chart.yaml
index 410346e..8c6f8a0 100644
--- a/charts/feedbacksystem/Chart.yaml
+++ b/charts/feedbacksystem/Chart.yaml
@@ -6,7 +6,7 @@ sources:
   - https://github.com/thm-mni-ii/feedbacksystem
 home: https://github.com/thm-mni-ii/feedbacksystem
 type: application
-version: 0.38.0
+version: 0.39.0
 # renovate: image=thmmniii/fbs-core
 appVersion: v1.16.0
 dependencies:
@@ -19,7 +19,7 @@ dependencies:
     repository: 'https://charts.bitnami.com/bitnami'
     condition: runner.enabled
   - name: postgresql
-    version: 12.12.10
+    version: 15.4.0
     repository: 'https://charts.bitnami.com/bitnami'
     condition: runner.enabled
     alias: runnerPostgres
@@ -34,12 +34,12 @@ dependencies:
     condition: runner.sqlChecker.enabled
     alias: checkerMongodb
   - name: postgresql
-    version: 12.12.10
+    version: 15.4.0
     repository: 'https://charts.bitnami.com/bitnami'
     condition: runner.enabled
     alias: runnerPlaygroundPostgres
   - name: postgresql
-    version: 12.12.10
+    version: 15.4.0
     repository: 'https://charts.bitnami.com/bitnami'
     condition: runner.enabled
     alias: playgroundSharePostgres