diff --git a/.github/workflows/deploy-server-helm-v4.yml b/.github/workflows/deploy-server-helm-v4.yml
index 6b9ac39..13f234f 100644
--- a/.github/workflows/deploy-server-helm-v4.yml
+++ b/.github/workflows/deploy-server-helm-v4.yml
@@ -37,8 +37,9 @@ jobs:
         secrets: ${{ secrets.KUBECONFIG }}
     - name: 'Get status'
       run: |
+        set -e
         helm status ${{ inputs.DEPLOYMENT_NAME }}
-        HELM_STATUS=$(echo $?)
+        HELM_STATUS=$?
         echo "HELM_STATUS: $HELM_STATUS"
         echo "HELM_STATUS=$HELM_STATUS" >> $GITHUB_ENV
         
diff --git a/.github/workflows/deploy-worker-helm-v4.yml b/.github/workflows/deploy-worker-helm-v4.yml
index 3cda0d0..218f8fa 100644
--- a/.github/workflows/deploy-worker-helm-v4.yml
+++ b/.github/workflows/deploy-worker-helm-v4.yml
@@ -49,8 +49,9 @@ jobs:
         secrets: ${{ secrets.KUBECONFIG }}
     - name: 'Get status'
       run: |
+        set -e
         helm status ${{ inputs.DEPLOYMENT_NAME }}
-        HELM_STATUS=$(echo $?)
+        HELM_STATUS=$?
         echo "HELM_STATUS: $HELM_STATUS"
         echo "HELM_STATUS=$HELM_STATUS" >> $GITHUB_ENV
         
diff --git a/.helm/siibra-api-v4-server/Chart.yaml b/.helm/siibra-api-v4-server/Chart.yaml
index 8d6a815..b45485f 100644
--- a/.helm/siibra-api-v4-server/Chart.yaml
+++ b/.helm/siibra-api-v4-server/Chart.yaml
@@ -21,4 +21,4 @@ version: 0.1.0
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "0.3.21-rc4"
+appVersion: "0.3.21-rc8"
diff --git a/.helm/siibra-api-v4-worker/Chart.yaml b/.helm/siibra-api-v4-worker/Chart.yaml
index 6fb71e9..dfc6579 100644
--- a/.helm/siibra-api-v4-worker/Chart.yaml
+++ b/.helm/siibra-api-v4-worker/Chart.yaml
@@ -21,4 +21,4 @@ version: 0.1.0
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "0.3.21-rc4"
+appVersion: "0.3.21-rc8"