diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b7f44c4..5b661966 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,13 @@
 # Change Log
 
-## 2024-04-22
+## 2024-04-29
 ### Added
 - Support for Management Agent Daemonset deployment
+### Changed
+- Fluentd collector container image uptake to 1.4.1 having changes to uptake new OL8, ruby-default-gems versions. It also has changes to remove fluent-plugin-kubernetes-objects plugin dependency.
+  - Similar updates to build files (Dockerfile, Gemfile) that helps building custom container image.
+- Minor fixes to Documentation. 
+- Minor fix to help `Kubelet logs` to use `Kubernetes Kubelet Logs` Log Source instead of `Linux System Logs` for Kubernetes versions above 1.25.   
 
 ## 2024-03-08
 ### Added
diff --git a/README.md b/README.md
index e9776848..8dc7ccb1 100644
--- a/README.md
+++ b/README.md
@@ -160,7 +160,7 @@ Dashboards needs to be imported manually. Below is an example for importing Dash
 
 Use the following `helm uninstall` command to uninstall the chart. Provide the release name used when creating the chart.
 ```
-helm upgrade <release-name> --values <path-to-override-values.yaml> <path-to-helm-chart>
+helm uninstall <release-name>
 ```
 Refer [this](https://helm.sh/docs/helm/helm_uninstall/) for further details on `helm uninstall`.
   
diff --git a/charts/logan/Chart.yaml b/charts/logan/Chart.yaml
index 1924bae4..d080c8d5 100644
--- a/charts/logan/Chart.yaml
+++ b/charts/logan/Chart.yaml
@@ -5,7 +5,7 @@ apiVersion: v2
 name: oci-onm-logan
 description: Charts for sending Kubernetes platform logs, compute logs, and Kubernetes Objects information to OCI Logging Analytics.
 type: application
-version: 3.4.0
+version: 3.4.1
 appVersion: "3.0.0"
 
 dependencies:
diff --git a/charts/logan/templates/logs-configmap.yaml b/charts/logan/templates/logs-configmap.yaml
index 6e1e3533..9e2ef109 100644
--- a/charts/logan/templates/logs-configmap.yaml
+++ b/charts/logan/templates/logs-configmap.yaml
@@ -256,12 +256,12 @@ data:
        hostname_command {{ (($.Values.fluentd).rewriteTagPlugin).hostname_command | default "cat /etc/hostname" }}
        <rule>
        key message
-       pattern /kubelet:/
+       pattern /kubelet/
        tag oci{{- ternary (print "." $currWorker) "" $multiWorkersEnabled }}.oke.syslog.kubelet.*
        </rule>
        <rule>
        key message
-       pattern  /^((?!kubelet:).)*$/
+       pattern  /^((?!kubelet).)*$/
        tag oci{{- ternary (print "." $currWorker) "" $multiWorkersEnabled }}.oke.syslog.syslog.*
        </rule>
     </match>
diff --git a/charts/logan/values.yaml b/charts/logan/values.yaml
index d2d119a7..2b71c289 100644
--- a/charts/logan/values.yaml
+++ b/charts/logan/values.yaml
@@ -48,7 +48,7 @@ image:
    # Image pull secrets for. Secret must be in the namespace defined by namespace
    imagePullSecrets:
    # -- Replace this value with actual docker image url
-   url: container-registry.oracle.com/oci_observability_management/oci-la-fluentd-collector:1.4.0
+   url: container-registry.oracle.com/oci_observability_management/oci-la-fluentd-collector:1.4.1
    # -- Image pull policy
    imagePullPolicy: Always
 
diff --git a/charts/oci-onm/Chart.yaml b/charts/oci-onm/Chart.yaml
index 0530999e..94c0cefd 100644
--- a/charts/oci-onm/Chart.yaml
+++ b/charts/oci-onm/Chart.yaml
@@ -32,7 +32,7 @@ dependencies:
   repository: "file://../common"
   condition: oci-onm-common.enabled
 - name: oci-onm-logan
-  version: "3.4.0"
+  version: "3.4.1"
   repository: "file://../logan"
   condition: oci-onm-logan.enabled
 - name: oci-onm-mgmt-agent
diff --git a/charts/oci-onm/values.yaml b/charts/oci-onm/values.yaml
index 5fa0d0c1..284637fd 100644
--- a/charts/oci-onm/values.yaml
+++ b/charts/oci-onm/values.yaml
@@ -31,7 +31,7 @@ oci-onm-logan:
   kubernetesClusterID: "{{ .Values.global.kubernetesClusterID }}"
   kubernetesClusterName: "{{ .Values.global.kubernetesClusterName }}"
   image:
-    url: container-registry.oracle.com/oci_observability_management/oci-la-fluentd-collector:1.4.0
+    url: container-registry.oracle.com/oci_observability_management/oci-la-fluentd-collector:1.4.1
   # Go to OCI Logging Analytics Administration, click Service Details, and note the namespace value.
   ociLANamespace:
   # OCI Logging Analytics Default Log Group OCID
diff --git a/docs/custom-logs.md b/docs/custom-logs.md
index 44bb1606..118ce24b 100644
--- a/docs/custom-logs.md
+++ b/docs/custom-logs.md
@@ -36,13 +36,14 @@ oci-onm-logan:
   ...
   ...
   fluentd:
-      ...
-      ...
+    ...
+    ...
+    customLogs:
       custom-log1:
-         path: /var/log/containers/custom-1.log
-         ociLALogSourceName: "Custom1 Logs"
-         multilineStartRegExp: <Multi-line start expression for multi-line logs>
-         isContainerLog: true
+        path: /var/log/containers/custom-1.log
+        ociLALogSourceName: "Custom1 Logs"
+        multilineStartRegExp: <Multi-line start expression for multi-line logs>
+        isContainerLog: true
 ```
 
 The following example demonstrates a non container customLogs configuration
@@ -54,13 +55,14 @@ oci-onm-logan:
   ...
   ...
   fluentd:
-      ...
-      ...
+    ...
+    ...
+    customLogs:
       custom-log2:
-         path: /var/log/custom/custom-2.log
-         ociLALogSourceName: "Custom2 Logs"
-         multilineStartRegExp: <Multi-line start expression for multi-line logs>
-         isContainerLog: false
+        path: /var/log/custom/custom-2.log
+        ociLALogSourceName: "Custom2 Logs"
+        multilineStartRegExp: <Multi-line start expression for multi-line logs>
+        isContainerLog: false
 ```
 
 #### Use Fluentd conf
diff --git a/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile b/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile
index c71b4f14..f10f0344 100644
--- a/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile
+++ b/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile
@@ -4,14 +4,15 @@
 source "https://rubygems.org"
 
 gem "oj", "3.16.1"
-gem "json", "2.6.3"
+gem "json", "2.7.1"
 gem "fluentd", "1.16.2"
-gem "fluent-plugin-oci-logging-analytics", "2.0.5"
+gem "fluent-plugin-oci-logging-analytics", "2.0.6"
 gem "fluent-plugin-concat", "~> 2.5.0"
 gem "fluent-plugin-rewrite-tag-filter", "~> 2.4.0"
 gem "fluent-plugin-parser-cri", "~> 0.1.1"
 gem "fluent-plugin-kubernetes_metadata_filter", "3.3.0"
-gem "fluent-plugin-kubernetes-objects", "1.2.3"
+gem "oci-logging-analytics-kubernetes-discovery", "1.0.0"
 gem "fluent-plugin-record-modifier", "2.1.1"
 gem "fluent-plugin-cloudwatch-logs", "0.14.3"
 gem "fluent-plugin-s3", "1.7.2"
+gem "rexml", "3.2.6"
diff --git a/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile.lock b/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile.lock
index 0c681fa9..0a4983be 100644
--- a/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile.lock
+++ b/logan/docker-images/v1.0/oraclelinux/8-slim/Gemfile.lock
@@ -3,7 +3,29 @@ GEM
   specs:
     addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
-    concurrent-ruby (1.2.2)
+    aws-eventstream (1.2.0)
+    aws-partitions (1.813.0)
+    aws-sdk-cloudwatchlogs (1.69.0)
+      aws-sdk-core (~> 3, >= 3.177.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-core (3.181.0)
+      aws-eventstream (~> 1, >= 1.0.2)
+      aws-partitions (~> 1, >= 1.651.0)
+      aws-sigv4 (~> 1.5)
+      jmespath (~> 1, >= 1.6.1)
+    aws-sdk-kms (1.71.0)
+      aws-sdk-core (~> 3, >= 3.177.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-s3 (1.134.0)
+      aws-sdk-core (~> 3, >= 3.181.0)
+      aws-sdk-kms (~> 1)
+      aws-sigv4 (~> 1.6)
+    aws-sdk-sqs (1.62.0)
+      aws-sdk-core (~> 3, >= 3.177.0)
+      aws-sigv4 (~> 1.1)
+    aws-sigv4 (1.6.0)
+      aws-eventstream (~> 1, >= 1.0.2)
+    concurrent-ruby (1.2.3)
     cool.io (1.8.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
@@ -13,27 +35,32 @@ GEM
       rake
     fluent-config-regexp-type (1.0.0)
       fluentd (> 1.0.0, < 2)
+    fluent-plugin-cloudwatch-logs (0.14.3)
+      aws-sdk-cloudwatchlogs (~> 1.0)
+      fluentd (>= 1.8.0)
     fluent-plugin-concat (2.5.0)
       fluentd (>= 0.14.0, < 2)
-    fluent-plugin-kubernetes-objects (1.2.3)
-      fluentd (>= 1.9.1)
-      http_parser.rb (= 0.8.0)
-      kubeclient (~> 4.9.3)
     fluent-plugin-kubernetes_metadata_filter (3.3.0)
       fluentd (>= 0.14.0, < 1.17)
       kubeclient (>= 4.0.0, < 5.0.0)
       lru_redux
-    fluent-plugin-oci-logging-analytics (2.0.5)
+    fluent-plugin-oci-logging-analytics (2.0.6)
       fluentd (>= 0.14.10, < 2)
       oci (~> 2.16)
-      prometheus-client (~> 4.0.0)
+      prometheus-client (~> 4.0)
       rubyzip (~> 2.3.2)
       yajl-ruby (~> 1.4, >= 1.4.3)
     fluent-plugin-parser-cri (0.1.1)
       fluentd (>= 1)
+    fluent-plugin-record-modifier (2.1.1)
+      fluentd (>= 1.0, < 2)
     fluent-plugin-rewrite-tag-filter (2.4.0)
       fluent-config-regexp-type
       fluentd (>= 0.14.2, < 2)
+    fluent-plugin-s3 (1.7.2)
+      aws-sdk-s3 (~> 1.60)
+      aws-sdk-sqs (~> 1.23)
+      fluentd (>= 0.14.22, < 2)
     fluentd (1.16.2)
       bundler
       cool.io (>= 1.4.5, < 2.0.0)
@@ -59,7 +86,8 @@ GEM
       ffi-compiler (>= 1.0, < 2.0)
     http_parser.rb (0.8.0)
     inifile (3.0.0)
-    json (2.6.3)
+    jmespath (1.6.2)
+    json (2.7.1)
     jsonpath (1.1.4)
       multi_json
     jwt (2.7.1)
@@ -75,12 +103,21 @@ GEM
     msgpack (1.7.2)
     multi_json (1.15.0)
     netrc (0.11.0)
-    oci (2.18.0)
+    oci (2.20.0)
       inifile (~> 3.0, >= 3.0.0)
       json (>= 1.4.6, < 3.0.0)
       jwt (~> 2.1)
+      psych (>= 3.1.0, < 5.0.0)
+    oci-logging-analytics-kubernetes-discovery (1.0.0)
+      concurrent-ruby (~> 1.2.2)
+      kubeclient (~> 4.9.3)
+      oci (~> 2.20.0)
+      rubyzip (~> 2.3.2)
+      yajl-ruby (~> 1.0)
     oj (3.16.1)
     prometheus-client (4.0.0)
+    psych (4.0.6)
+      stringio
     public_suffix (5.0.3)
     rake (13.0.6)
     recursive-open-struct (1.1.3)
@@ -89,11 +126,12 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
+    rexml (3.2.6)
     rubyzip (2.3.2)
     serverengine (2.3.2)
       sigdump (~> 0.2.2)
     sigdump (0.2.5)
-    stringio (3.0.8)
+    stringio (3.1.0)
     strptime (0.2.5)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -109,15 +147,19 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  fluent-plugin-cloudwatch-logs (= 0.14.3)
   fluent-plugin-concat (~> 2.5.0)
-  fluent-plugin-kubernetes-objects (= 1.2.3)
   fluent-plugin-kubernetes_metadata_filter (= 3.3.0)
-  fluent-plugin-oci-logging-analytics (= 2.0.5)
+  fluent-plugin-oci-logging-analytics (= 2.0.6)
   fluent-plugin-parser-cri (~> 0.1.1)
+  fluent-plugin-record-modifier (= 2.1.1)
   fluent-plugin-rewrite-tag-filter (~> 2.4.0)
+  fluent-plugin-s3 (= 1.7.2)
   fluentd (= 1.16.2)
-  json (= 2.6.3)
+  json (= 2.7.1)
+  oci-logging-analytics-kubernetes-discovery (= 1.0.0)
   oj (= 3.16.1)
+  rexml (= 3.2.6)
 
 BUNDLED WITH
    2.3.25