diff --git a/charts/guardrails/CHANGELOG.md b/charts/guardrails/CHANGELOG.md
index e824256..9105ddc 100644
--- a/charts/guardrails/CHANGELOG.md
+++ b/charts/guardrails/CHANGELOG.md
@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning]
 (https://semver.org/spec/v2.0.0.html).
 
+## [0.3.1] - 2024-10-31
+
+### Fixed
+
+- Converted `envFrom` to be a list rather than a map. These values typically
+  need to be overridden rather than extended.
+
 ## [0.3.0] - 2024-10-15
 
 ### Updated
diff --git a/charts/guardrails/Chart.yaml b/charts/guardrails/Chart.yaml
index e2ed022..c8a2349 100644
--- a/charts/guardrails/Chart.yaml
+++ b/charts/guardrails/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: guardrails
 description: A Helm chart for WhyLabs Guardrails
 type: application
-version: 0.3.0
+version: 0.3.1
 appVersion: "2.0.1"
diff --git a/charts/guardrails/README.md b/charts/guardrails/README.md
index 8e605cd..057c59d 100644
--- a/charts/guardrails/README.md
+++ b/charts/guardrails/README.md
@@ -1,6 +1,6 @@
 # guardrails
 
-![Version: 0.3.0](https://img.shields.io/badge/Version-0.3.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.0.1](https://img.shields.io/badge/AppVersion-2.0.1-informational?style=flat-square)
+![Version: 0.3.1](https://img.shields.io/badge/Version-0.3.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.0.1](https://img.shields.io/badge/AppVersion-2.0.1-informational?style=flat-square)
 
 A Helm chart for WhyLabs Guardrails
 
@@ -110,14 +110,14 @@ release_name=""
 # the working directory or --destination path
 helm pull \
   oci://ghcr.io/whylabs/guardrails \
-  --version 0.3.0
+  --version 0.3.1
 
 # Requires the helm-diff plugin to be installed:
 # helm plugin install https://github.com/databus23/helm-diff
 helm diff upgrade \
   --allow-unreleased \
   --namespace "${target_namespace}" \
-  "${release_name}" guardrails-0.3.0.tgz
+  "${release_name}" guardrails-0.3.1.tgz
 ```
 
 After you've installed the repo you can install the chart.
@@ -126,7 +126,7 @@ After you've installed the repo you can install the chart.
 helm upgrade --install \
   --create-namespace \
   --namespace "${target_namespace}" \
-  "${release_name}" guardrails-0.3.0.tgz
+  "${release_name}" guardrails-0.3.1.tgz
 ```
 
 ## Exposing Guardrails Outside Kubernetes
@@ -198,9 +198,7 @@ utilization.
 | autoscaling | object | `{"enabled":false,"maxReplicas":100,"minReplicas":1,"targetCPUUtilizationPercentage":70}` | [Horizontal Pod Autoscaler](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/) configuration for the `guardrails` container. |
 | commonLabels | object | `{}` | Labels to add to all chart resources. |
 | env | object | `{}` | [Environment variables](https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/) for the `guardrails` container. |
-| envFrom | object | `{"whylabs-guardrails-api-key":{"optional":true,"type":"secretRef"},"whylabs-guardrails-api-secret":{"optional":true,"type":"secretRef"}}` | Create environment variables from Kubernetes secrets or config maps. |
-| envFrom.whylabs-guardrails-api-key | map | `{"optional":true,"type":"secretRef"}` | Comment out or remove this section if using file-based secrets |
-| envFrom.whylabs-guardrails-api-secret | map | `{"optional":true,"type":"secretRef"}` | Comment out or remove this section if using file-based secrets |
+| envFrom | list | `[{"secretRef":{"name":"whylabs-guardrails-api-key","optional":true}},{"secretRef":{"name":"whylabs-guardrails-api-secret","optional":true}}]` | Create environment variables from Kubernetes secrets or config maps. |
 | extraVolumeMounts | list | `[]` | Extra [volume mounts](https://kubernetes.io/docs/concepts/storage/volumes/) for the `guardrails` container. |
 | extraVolumes | list | `[]` | Extra [volumes](https://kubernetes.io/docs/concepts/storage/volumes/) for the `Pod`. |
 | fullnameOverride | string | `""` | Override the full name of the chart. |
diff --git a/charts/guardrails/templates/deployment.yaml b/charts/guardrails/templates/deployment.yaml
index c5d1373..55d65af 100644
--- a/charts/guardrails/templates/deployment.yaml
+++ b/charts/guardrails/templates/deployment.yaml
@@ -52,11 +52,7 @@ spec:
           {{- end }}
           {{- if .Values.envFrom }}
           envFrom:
-            {{- range $key, $value := .Values.envFrom }}
-            - {{ $value.type }}:
-                name: {{ $key }}
-                optional: {{ $value.optional | default false }}
-            {{- end }}
+            {{- toYaml .Values.envFrom | nindent 12 }}
           {{- end }}
           ports:
             - name: http
diff --git a/charts/guardrails/values.yaml b/charts/guardrails/values.yaml
index 2494875..a9de091 100644
--- a/charts/guardrails/values.yaml
+++ b/charts/guardrails/values.yaml
@@ -32,14 +32,12 @@ env: {}
 
 # -- Create environment variables from Kubernetes secrets or config maps.
 envFrom:
-  # -- (map) Comment out or remove this section if using file-based secrets
-  whylabs-guardrails-api-key:
-    type: secretRef
-    optional: true
-  # -- (map) Comment out or remove this section if using file-based secrets
-  whylabs-guardrails-api-secret:
-    type: secretRef
-    optional: true
+  - secretRef:
+      name: whylabs-guardrails-api-key
+      optional: true
+  - secretRef:
+      name: whylabs-guardrails-api-secret
+      optional: true
 
 serviceAccount:
   # -- If `true`, create a new `ServiceAccount`.