diff --git a/.github/workflows/deploy-test.yaml b/.github/workflows/deploy-test.yaml
index 2c6e264fdf..7271b9feed 100644
--- a/.github/workflows/deploy-test.yaml
+++ b/.github/workflows/deploy-test.yaml
@@ -289,7 +289,7 @@ jobs:
         shell: bash
         working-directory: tests/python_client/deploy
         run: |
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
 
           # if the task is reinstall, install milvus with latest image in repo milvusdb/milvus
diff --git a/.github/workflows/io-latency-chaos-test.yaml b/.github/workflows/io-latency-chaos-test.yaml
index c11ec1e4a3..a231f0a36c 100644
--- a/.github/workflows/io-latency-chaos-test.yaml
+++ b/.github/workflows/io-latency-chaos-test.yaml
@@ -64,7 +64,7 @@ jobs:
         run: |
           echo "latest tag:"
           bash ../../../scripts/docker_image_find_tag.sh -n milvusdb/milvus -t master-latest -f master- -F -L -q
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
           if [[ ${{ matrix.pod }} != *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus -f cluster-values.yaml  -n=chaos-testing; fi
           if [[ ${{ matrix.pod }} == *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus -f standalone-values.yaml -n=chaos-testing; fi
diff --git a/.github/workflows/mem-stress-chaos-test.yaml b/.github/workflows/mem-stress-chaos-test.yaml
index 3e34ac8aba..ba980b6f4e 100644
--- a/.github/workflows/mem-stress-chaos-test.yaml
+++ b/.github/workflows/mem-stress-chaos-test.yaml
@@ -64,7 +64,7 @@ jobs:
         run: |
           echo "latest tag:"
           bash ../../../scripts/docker_image_find_tag.sh -n milvusdb/milvus -t master-latest -f master- -F -L -q
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
           if [[ ${{ matrix.pod }} != *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus -f cluster-values.yaml  -n=chaos-testing; fi
           if [[ ${{ matrix.pod }} == *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus -f standalone-values.yaml -n=chaos-testing; fi
diff --git a/.github/workflows/network-latency-chaos-test.yaml b/.github/workflows/network-latency-chaos-test.yaml
index 47c5f2b6e8..813d5415d2 100644
--- a/.github/workflows/network-latency-chaos-test.yaml
+++ b/.github/workflows/network-latency-chaos-test.yaml
@@ -64,7 +64,7 @@ jobs:
         run: |
           echo "latest tag:"
           bash ../../../scripts/docker_image_find_tag.sh -n milvusdb/milvus -t master-latest -f master- -F -L -q
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
           if [[ ${{ matrix.pod }} != *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus -f cluster-values.yaml  -n=chaos-testing; fi
           if [[ ${{ matrix.pod }} == *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus -f standalone-values.yaml -n=chaos-testing; fi
diff --git a/.github/workflows/network-partition-chaos-test.yaml b/.github/workflows/network-partition-chaos-test.yaml
index f970af0409..b9331155fd 100644
--- a/.github/workflows/network-partition-chaos-test.yaml
+++ b/.github/workflows/network-partition-chaos-test.yaml
@@ -55,7 +55,7 @@ jobs:
       - name: Deploy Milvus
         shell: bash
         run: |
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
           # install milvus with latest image
           helm install --wait --timeout 360s chaos-testing milvus/milvus --set cluster.enabled=true --set image.all.repository=milvusdb/milvus --set image.all.tag=master-latest -n=chaos-testing
diff --git a/.github/workflows/pod-failure-chaos-test.yaml b/.github/workflows/pod-failure-chaos-test.yaml
index 5ea55eae57..916f427e87 100644
--- a/.github/workflows/pod-failure-chaos-test.yaml
+++ b/.github/workflows/pod-failure-chaos-test.yaml
@@ -82,7 +82,7 @@ jobs:
           echo "latest tag:"
           bash ../../../scripts/docker_image_find_tag.sh -n milvusdb/milvus -t master-latest -f master- -F -L -q
           declare -A pod_map=( ["querynode"]="queryNode" ["indexnode"]="indexNode" ["datanode"]="dataNode" ["proxy"]="proxy")
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
           helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus --set image.all.repository=${{ env.IMAGE_REPO }} --set image.all.tag=${{ env.IMAGE_TAG }} --set ${pod_map[${{ matrix.pod }}]}.replicas=2 -f cluster-values.yaml  -n=chaos-testing
           kubectl get pods -n chaos-testing
diff --git a/.github/workflows/pod-kill-chaos-test-kafka-version.yaml b/.github/workflows/pod-kill-chaos-test-kafka-version.yaml
index c98dce8399..7cc6e965af 100644
--- a/.github/workflows/pod-kill-chaos-test-kafka-version.yaml
+++ b/.github/workflows/pod-kill-chaos-test-kafka-version.yaml
@@ -81,7 +81,7 @@ jobs:
         run: |
           echo "latest tag:"
           bash ../../../scripts/docker_image_find_tag.sh -n milvusdb/milvus -t master-latest -f master- -F -L -q
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
           if [[ ${{ matrix.pod }} != *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus --set pulsar.enabled=false --set kafka.enabled=true --set image.all.repository=${{ env.IMAGE_REPO }} --set image.all.tag=${{ env.IMAGE_TAG }} -f cluster-values.yaml  -n=chaos-testing; fi
           if [[ ${{ matrix.pod }} == *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus --set pulsar.enabled=false --set kafka.enabled=true --set image.all.repository=${{ env.IMAGE_REPO }} --set image.all.tag=${{ env.IMAGE_TAG }} -f standalone-values.yaml -n=chaos-testing; fi
diff --git a/.github/workflows/pod-kill-chaos-test.yaml b/.github/workflows/pod-kill-chaos-test.yaml
index 56bfb81b80..cb5ab9cda4 100644
--- a/.github/workflows/pod-kill-chaos-test.yaml
+++ b/.github/workflows/pod-kill-chaos-test.yaml
@@ -81,7 +81,7 @@ jobs:
         run: |
           echo "latest tag:"
           bash ../../../scripts/docker_image_find_tag.sh -n milvusdb/milvus -t master-latest -f master- -F -L -q
-          helm repo add milvus https://milvus-io.github.io/milvus-helm
+          helm repo add milvus https://zilliztech.github.io/milvus-helm
           helm repo update
           if [[ ${{ matrix.pod }} != *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus --set image.all.repository=${{ env.IMAGE_REPO }} --set image.all.tag=${{ env.IMAGE_TAG }} -f cluster-values.yaml  -n=chaos-testing; fi
           if [[ ${{ matrix.pod }} == *"standalone"* ]]; then helm install --wait --timeout 720s ${{ env.RELEASE }} milvus/milvus --set image.all.repository=${{ env.IMAGE_REPO }} --set image.all.tag=${{ env.IMAGE_TAG }} -f standalone-values.yaml -n=chaos-testing; fi
diff --git a/build/ci/jenkins/ChaosTest.groovy b/build/ci/jenkins/ChaosTest.groovy
index 1a78b29d7c..d84d3fe7de 100644
--- a/build/ci/jenkins/ChaosTest.groovy
+++ b/build/ci/jenkins/ChaosTest.groovy
@@ -138,7 +138,7 @@ pipeline {
                             }
                             sh "echo ${image_tag_modified}"
                             sh "echo ${params.chaos_type}"
-                            sh "helm repo add milvus https://milvus-io.github.io/milvus-helm"
+                            sh "helm repo add milvus https://zilliztech.github.io/milvus-helm"
                             sh "helm repo update"
                             def pod_name = "${params.pod_name}"
                             if (pod_name.contains("standalone")){
diff --git a/build/ci/jenkins/ChaosTestKafkaMQ.groovy b/build/ci/jenkins/ChaosTestKafkaMQ.groovy
index 0d3f774fd9..01f5d577a3 100644
--- a/build/ci/jenkins/ChaosTestKafkaMQ.groovy
+++ b/build/ci/jenkins/ChaosTestKafkaMQ.groovy
@@ -140,7 +140,7 @@ pipeline {
                             }
                             sh "echo ${image_tag_modified}"
                             sh "echo ${params.chaos_type}"
-                            sh "helm repo add milvus https://milvus-io.github.io/milvus-helm"
+                            sh "helm repo add milvus https://zilliztech.github.io/milvus-helm"
                             sh "helm repo update"
                             def pod_name = "${params.pod_name}"
                             if (pod_name.contains("standalone")){
diff --git a/build/ci/jenkins/DeployTest.groovy b/build/ci/jenkins/DeployTest.groovy
index c449a58fa0..c64fa8c010 100644
--- a/build/ci/jenkins/DeployTest.groovy
+++ b/build/ci/jenkins/DeployTest.groovy
@@ -182,7 +182,7 @@ pipeline {
                                 old_image_repository_modified = "${params.old_image_repository}"
                             }
 
-                            sh "helm repo add milvus https://milvus-io.github.io/milvus-helm"
+                            sh "helm repo add milvus https://zilliztech.github.io/milvus-helm"
                             sh "helm repo update"
                             if ("${params.deploy_task}" == "upgrade"){
                                 if ("${params.milvus_mode}" == "standalone") {
diff --git a/build/ci/jenkins/DeployTestKafkaMQ.groovy b/build/ci/jenkins/DeployTestKafkaMQ.groovy
index 57c4d6d1a2..8e9ccd4a74 100644
--- a/build/ci/jenkins/DeployTestKafkaMQ.groovy
+++ b/build/ci/jenkins/DeployTestKafkaMQ.groovy
@@ -194,7 +194,7 @@ pipeline {
                                 old_image_repository_modified = "${params.old_image_repository}"
                             }
 
-                            sh "helm repo add milvus https://milvus-io.github.io/milvus-helm"
+                            sh "helm repo add milvus https://zilliztech.github.io/milvus-helm"
                             sh "helm repo update"
                             if ("${params.milvus_mode}" == "standalone") {
                                 sh "helm install --wait --timeout 720s ${env.RELEASE_NAME} milvus/milvus  --set image.all.repository=${old_image_repository_modified} --set image.all.tag=${old_image_tag_modified} -f standalone-values.yaml;"    
diff --git a/ci/jenkins/PR.groovy b/ci/jenkins/PR.groovy
index 37d7f656cb..110e9b4ee2 100644
--- a/ci/jenkins/PR.groovy
+++ b/ci/jenkins/PR.groovy
@@ -4,7 +4,7 @@ int total_timeout_minutes = 60 * 5
 int e2e_timeout_seconds = 120 * 60
 def imageTag=''
 int case_timeout_seconds = 20 * 60
-def chart_version='4.0.6'
+def chart_version='4.1.8'
 pipeline {
     options {
         timestamps()
diff --git a/ci/jenkins/PRGPU.groovy b/ci/jenkins/PRGPU.groovy
index cb83be042f..c828c8db1d 100644
--- a/ci/jenkins/PRGPU.groovy
+++ b/ci/jenkins/PRGPU.groovy
@@ -4,7 +4,7 @@ int total_timeout_minutes = 60 * 5
 int e2e_timeout_seconds = 70 * 60
 def imageTag=''
 int case_timeout_seconds = 10 * 60
-def chart_version='4.0.6'
+def chart_version='4.1.8'
 pipeline {
     options {
         timestamps()
diff --git a/deployments/offline/README.md b/deployments/offline/README.md
index 033289d0d5..6671973e55 100644
--- a/deployments/offline/README.md
+++ b/deployments/offline/README.md
@@ -36,7 +36,7 @@ $ python3 save_image.py --manifest docker-compose.yml
 #### If you install Milvus with **Helm**, use these commands:
 #### 1. Update Helm repo
 ```shell
-$ helm repo add milvus https://milvus-io.github.io/milvus-helm/
+$ helm repo add milvus https://zilliztech.github.io/milvus-helm/
 $ helm repo update
 ```
 
diff --git a/tests/python_client/chaos/scripts/install_milvus.sh b/tests/python_client/chaos/scripts/install_milvus.sh
index 6e1dd51d7a..06d72d0cf4 100644
--- a/tests/python_client/chaos/scripts/install_milvus.sh
+++ b/tests/python_client/chaos/scripts/install_milvus.sh
@@ -4,7 +4,7 @@ milvus_mode=${2:-"cluster"}
 ns=${3:-"chaos-testing"}
 bash uninstall_milvus.sh ${release} ${ns}|| true
 
-helm repo add milvus https://milvus-io.github.io/milvus-helm/
+helm repo add milvus https://zilliztech.github.io/milvus-helm/
 helm repo update
 if [[ ${milvus_mode} == "cluster" ]];
 then
diff --git a/tests/python_client/standby/scripts/install_milvus.sh b/tests/python_client/standby/scripts/install_milvus.sh
index 6e1dd51d7a..06d72d0cf4 100644
--- a/tests/python_client/standby/scripts/install_milvus.sh
+++ b/tests/python_client/standby/scripts/install_milvus.sh
@@ -4,7 +4,7 @@ milvus_mode=${2:-"cluster"}
 ns=${3:-"chaos-testing"}
 bash uninstall_milvus.sh ${release} ${ns}|| true
 
-helm repo add milvus https://milvus-io.github.io/milvus-helm/
+helm repo add milvus https://zilliztech.github.io/milvus-helm/
 helm repo update
 if [[ ${milvus_mode} == "cluster" ]];
 then
diff --git a/tests/scripts/install_milvus.sh b/tests/scripts/install_milvus.sh
index a6c9e83474..d168c9676c 100755
--- a/tests/scripts/install_milvus.sh
+++ b/tests/scripts/install_milvus.sh
@@ -23,7 +23,7 @@
 set -x
 
 
-MILVUS_HELM_REPO="${MILVUS_HELM_REPO:-https://milvus-io.github.io/milvus-helm/}"
+MILVUS_HELM_REPO="${MILVUS_HELM_REPO:-https://zilliztech.github.io/milvus-helm/}"
 MILVUS_HELM_RELEASE_NAME="${MILVUS_HELM_RELEASE_NAME:-milvus-testing}"
 MILVUS_CLUSTER_ENABLED="${MILVUS_CLUSTER_ENABLED:-false}"
 MILVUS_IMAGE_REPO="${MILVUS_IMAGE_REPO:-milvusdb/milvus}"
@@ -56,9 +56,9 @@ fi
 
 
 # Use helm repo to install milvus charts 
-helm repo add milvus ${MILVUS_HELM_REPO}
+helm repo add zilliztech ${MILVUS_HELM_REPO}
 helm repo update
-MILVUS_HELM_CHART_PATH="milvus/milvus"
+MILVUS_HELM_CHART_PATH="zilliztech/milvus"
 
 # Create namespace when it does not exist
 kubectl create namespace "${MILVUS_HELM_NAMESPACE}" > /dev/null 2>&1 || true