diff --git a/charts/jenkins/CHANGELOG.md b/charts/jenkins/CHANGELOG.md
index 71d1c9f06..e31e122a1 100644
--- a/charts/jenkins/CHANGELOG.md
+++ b/charts/jenkins/CHANGELOG.md
@@ -12,6 +12,10 @@ Use the following links to reference issues, PRs, and commits prior to v2.6.0.
 The changelog until v1.5.7 was auto-generated based on git commits.
 Those entries include a reference to the git commit to be able to get more details.
 
+## 5.1.28
+
+Update `docker.io/kiwigrid/k8s-sidecar` to version `1.27.3`
+
 ## 5.1.27
 
 Update `kubernetes` to version `4244.v4fb_b_00994a_90`
diff --git a/charts/jenkins/Chart.yaml b/charts/jenkins/Chart.yaml
index 0063f186c..d45db0de4 100644
--- a/charts/jenkins/Chart.yaml
+++ b/charts/jenkins/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: jenkins
 type: application
 home: https://www.jenkins.io/
-version: 5.1.27
+version: 5.1.28
 appVersion: 2.452.1
 description: >
   Jenkins - Build great things at any scale! As the leading open source automation server, Jenkins provides over 1800 plugins to support building, deploying and automating any project.
@@ -40,7 +40,7 @@ annotations:
     - name: jenkins
       image: docker.io/jenkins/jenkins:2.452.1-jdk17
     - name: k8s-sidecar
-      image: docker.io/kiwigrid/k8s-sidecar:1.27.2
+      image: docker.io/kiwigrid/k8s-sidecar:1.27.3
     - name: inbound-agent
       image: jenkins/inbound-agent:3248.v65ecb_254c298-1
   artifacthub.io/category: "integration-delivery"
diff --git a/charts/jenkins/VALUES.md b/charts/jenkins/VALUES.md
index 329eee5b2..bc20e8bdd 100644
--- a/charts/jenkins/VALUES.md
+++ b/charts/jenkins/VALUES.md
@@ -244,7 +244,7 @@ The following tables list the configurable parameters of the Jenkins chart and t
 | [controller.sidecars.configAutoReload.folder](./values.yaml#L591) | string |  | `"/var/jenkins_home/casc_configs"` |
 | [controller.sidecars.configAutoReload.image.registry](./values.yaml#L553) | string | Registry for the image that triggers the reload | `"docker.io"` |
 | [controller.sidecars.configAutoReload.image.repository](./values.yaml#L555) | string | Repository of the image that triggers the reload | `"kiwigrid/k8s-sidecar"` |
-| [controller.sidecars.configAutoReload.image.tag](./values.yaml#L557) | string | Tag for the image that triggers the reload | `"1.27.2"` |
+| [controller.sidecars.configAutoReload.image.tag](./values.yaml#L557) | string | Tag for the image that triggers the reload | `"1.27.3"` |
 | [controller.sidecars.configAutoReload.imagePullPolicy](./values.yaml#L558) | string |  | `"IfNotPresent"` |
 | [controller.sidecars.configAutoReload.reqRetryConnect](./values.yaml#L573) | int | How many connection-related errors to retry on | `10` |
 | [controller.sidecars.configAutoReload.resources](./values.yaml#L559) | object |  | `{}` |
diff --git a/charts/jenkins/unittests/__snapshot__/jenkins-controller-statefulset-test.yaml.snap b/charts/jenkins/unittests/__snapshot__/jenkins-controller-statefulset-test.yaml.snap
index 9fc8ec33a..488775710 100644
--- a/charts/jenkins/unittests/__snapshot__/jenkins-controller-statefulset-test.yaml.snap
+++ b/charts/jenkins/unittests/__snapshot__/jenkins-controller-statefulset-test.yaml.snap
@@ -119,7 +119,7 @@ default values:
                 value: POST
               - name: REQ_RETRY_CONNECT
                 value: "10"
-            image: docker.io/kiwigrid/k8s-sidecar:1.27.2
+            image: docker.io/kiwigrid/k8s-sidecar:1.27.3
             imagePullPolicy: IfNotPresent
             name: config-reload
             resources: {}
@@ -145,7 +145,7 @@ default values:
                 value: my-namespace
               - name: METHOD
                 value: LIST
-            image: docker.io/kiwigrid/k8s-sidecar:1.27.2
+            image: docker.io/kiwigrid/k8s-sidecar:1.27.3
             imagePullPolicy: IfNotPresent
             name: config-reload-init
             resources: {}
@@ -338,7 +338,7 @@ test scheme for config-reload:
                 value: POST
               - name: REQ_RETRY_CONNECT
                 value: "10"
-            image: docker.io/kiwigrid/k8s-sidecar:1.27.2
+            image: docker.io/kiwigrid/k8s-sidecar:1.27.3
             imagePullPolicy: IfNotPresent
             name: config-reload
             resources: {}
@@ -364,7 +364,7 @@ test scheme for config-reload:
                 value: my-namespace
               - name: METHOD
                 value: LIST
-            image: docker.io/kiwigrid/k8s-sidecar:1.27.2
+            image: docker.io/kiwigrid/k8s-sidecar:1.27.3
             imagePullPolicy: IfNotPresent
             name: config-reload-init
             resources: {}
diff --git a/charts/jenkins/values.yaml b/charts/jenkins/values.yaml
index f6bd0c8de..ed689f145 100644
--- a/charts/jenkins/values.yaml
+++ b/charts/jenkins/values.yaml
@@ -554,7 +554,7 @@ controller:
         # -- Repository of the image that triggers the reload
         repository: kiwigrid/k8s-sidecar
         # -- Tag for the image that triggers the reload
-        tag: 1.27.2
+        tag: 1.27.3
       imagePullPolicy: IfNotPresent
       resources: {}
         #   limits: