diff --git a/bitnami/grafana-operator/CHANGELOG.md b/bitnami/grafana-operator/CHANGELOG.md
index 94f6bdf4035f1e..62a23191fbf879 100644
--- a/bitnami/grafana-operator/CHANGELOG.md
+++ b/bitnami/grafana-operator/CHANGELOG.md
@@ -1,8 +1,13 @@
 # Changelog
 
+## 4.9.1 (2025-01-12)
+
+* [bitnami/grafana-operator] Release 4.9.1 ([#31314](https://github.com/bitnami/charts/pull/31314))
+
 ## 4.9.0 (2024-12-10)
 
-* [bitnami/grafana-operator] Detect non-standard images ([#30886](https://github.com/bitnami/charts/pull/30886))
+* [bitnami/*] Add Bitnami Premium to NOTES.txt (#30854) ([3dfc003](https://github.com/bitnami/charts/commit/3dfc00376df6631f0ce54b8d440d477f6caa6186)), closes [#30854](https://github.com/bitnami/charts/issues/30854)
+* [bitnami/grafana-operator] Detect non-standard images (#30886) ([0fd9040](https://github.com/bitnami/charts/commit/0fd904034666713debda0e1e937e0f547c34dfb2)), closes [#30886](https://github.com/bitnami/charts/issues/30886)
 
 ## <small>4.8.1 (2024-12-03)</small>
 
diff --git a/bitnami/grafana-operator/Chart.lock b/bitnami/grafana-operator/Chart.lock
index 1d744eed189854..2fc5505d13db19 100644
--- a/bitnami/grafana-operator/Chart.lock
+++ b/bitnami/grafana-operator/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: common
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 2.28.0
-digest: sha256:5b30f0fa07bb89b01c55fd6258c8ce22a611b13623d4ad83e8fdd1d4490adc74
-generated: "2024-12-10T17:02:23.277643+01:00"
+  version: 2.29.0
+digest: sha256:c0ac22dea12ebe35613a1fbde2d9ffcf913c40dc688139f10914db942f2dab13
+generated: "2025-01-12T23:32:56.838035657Z"
diff --git a/bitnami/grafana-operator/Chart.yaml b/bitnami/grafana-operator/Chart.yaml
index 810cbacfdc718a..34d73d03a5495e 100644
--- a/bitnami/grafana-operator/Chart.yaml
+++ b/bitnami/grafana-operator/Chart.yaml
@@ -6,9 +6,9 @@ annotations:
   licenses: Apache-2.0
   images: |
     - name: grafana
-      image: docker.io/bitnami/grafana:11.3.0-debian-12-r4
+      image: docker.io/bitnami/grafana:11.4.0-debian-12-r0
     - name: grafana-operator
-      image: docker.io/bitnami/grafana-operator:5.15.1-debian-12-r3
+      image: docker.io/bitnami/grafana-operator:5.15.1-debian-12-r4
 apiVersion: v2
 appVersion: 5.15.1
 dependencies:
@@ -30,4 +30,4 @@ maintainers:
 name: grafana-operator
 sources:
 - https://github.com/bitnami/charts/tree/main/bitnami/grafana-operator
-version: 4.9.0
+version: 4.9.1
diff --git a/bitnami/grafana-operator/values.yaml b/bitnami/grafana-operator/values.yaml
index 4c5b1fc0355c28..fbdbfe223f2c2f 100644
--- a/bitnami/grafana-operator/values.yaml
+++ b/bitnami/grafana-operator/values.yaml
@@ -173,7 +173,7 @@ operator:
   image:
     registry: docker.io
     repository: bitnami/grafana-operator
-    tag: 5.15.1-debian-12-r3
+    tag: 5.15.1-debian-12-r4
     digest: ""
     ## Specify a imagePullPolicy
     ## Ref: https://kubernetes.io/docs/concepts/containers/images/#pre-pulled-images
@@ -522,7 +522,7 @@ grafana:
   image:
     registry: docker.io
     repository: bitnami/grafana
-    tag: 11.3.0-debian-12-r4
+    tag: 11.4.0-debian-12-r0
     digest: ""
     ## Specify a imagePullPolicy
     ## Ref: https://kubernetes.io/docs/concepts/containers/images/#pre-pulled-images