diff --git a/charts/argo-workflows/Chart.yaml b/charts/argo-workflows/Chart.yaml
index 32108003..c317d053 100644
--- a/charts/argo-workflows/Chart.yaml
+++ b/charts/argo-workflows/Chart.yaml
@@ -3,7 +3,7 @@ appVersion: v3.4.4
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.22.5
+version: 0.22.6
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -13,4 +13,4 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Removed]: legacy API versions for PDBs"
+    - "[Added]: Suuport envFrom for main container"
diff --git a/charts/argo-workflows/README.md b/charts/argo-workflows/README.md
index 4c172f29..42a1e51c 100644
--- a/charts/argo-workflows/README.md
+++ b/charts/argo-workflows/README.md
@@ -153,6 +153,7 @@ Fields to note:
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
 | mainContainer.env | list | `[]` | Adds environment variables for the Workflow main container |
+| mainContainer.envFrom | list | `[]` | Adds reference environment variables for the Workflow main container |
 | mainContainer.imagePullPolicy | string | `""` | imagePullPolicy to apply to Workflow main container. Defaults to `.Values.images.pullPolicy`. |
 | mainContainer.resources | object | `{}` | Resource limits and requests for the Workflow main container |
 | mainContainer.securityContext | object | `{}` | sets security context for the Workflow main container |
diff --git a/charts/argo-workflows/templates/controller/workflow-controller-config-map.yaml b/charts/argo-workflows/templates/controller/workflow-controller-config-map.yaml
index ea4660e0..1193163a 100644
--- a/charts/argo-workflows/templates/controller/workflow-controller-config-map.yaml
+++ b/charts/argo-workflows/templates/controller/workflow-controller-config-map.yaml
@@ -25,7 +25,7 @@ data:
     {{- with .Values.controller.initialDelay }}
     initialDelay: {{ . }}
     {{- end }}
-    {{- if or .Values.mainContainer.resources .Values.mainContainer.env .Values.mainContainer.securityContext}}
+    {{- if or .Values.mainContainer.resources .Values.mainContainer.env .Values.mainContainer.envFrom .Values.mainContainer.securityContext}}
     mainContainer:
       imagePullPolicy: {{ default (.Values.images.pullPolicy) .Values.mainContainer.imagePullPolicy }}
       {{- with .Values.mainContainer.resources }}
@@ -34,6 +34,9 @@ data:
       {{- with .Values.mainContainer.env }}
       env: {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.mainContainer.envFrom }}
+      envFrom: {{- toYaml . | nindent 8 }}
+      {{- end }}
       {{- with .Values.mainContainer.securityContext }}
       securityContext: {{- toYaml . | nindent 8 }}
       {{- end }}
diff --git a/charts/argo-workflows/values.yaml b/charts/argo-workflows/values.yaml
index 3f643906..034c662a 100644
--- a/charts/argo-workflows/values.yaml
+++ b/charts/argo-workflows/values.yaml
@@ -324,6 +324,8 @@ mainContainer:
   resources: {}
   # -- Adds environment variables for the Workflow main container
   env: []
+  # -- Adds reference environment variables for the Workflow main container
+  envFrom: []
   # -- sets security context for the Workflow main container
   securityContext: {}