diff --git a/charts/stable/outline/Chart.yaml b/charts/stable/outline/Chart.yaml
index 08e657f86ae..836d1d98e03 100644
--- a/charts/stable/outline/Chart.yaml
+++ b/charts/stable/outline/Chart.yaml
@@ -28,7 +28,7 @@ name: outline
 sources:
   - https://github.com/outline/outline
 type: application
-version: 3.0.27
+version: 3.0.28
 annotations:
   truecharts.org/catagories: |
     - productivity
diff --git a/charts/stable/outline/questions.yaml b/charts/stable/outline/questions.yaml
index 4efff5d06e3..adf802956df 100644
--- a/charts/stable/outline/questions.yaml
+++ b/charts/stable/outline/questions.yaml
@@ -95,12 +95,6 @@ questions:
           schema:
             type: string
             default: ""
-        - variable: ALLOWED_DOMAINS
-          label: "ALLOWED_DOMAINS"
-          description: "Comma separated list of domains to be allowed to signin to the wiki. If not set, all domains are allowed by default when using Google OAuth to signin"
-          schema:
-            type: string
-            default: ""
         - variable: SLACK_MESSAGE_ACTIONS
           label: "SLACK_MESSAGE_ACTIONS"
           schema:
diff --git a/charts/stable/outline/values.yaml b/charts/stable/outline/values.yaml
index 5d0fb742928..8ebf053b3fe 100644
--- a/charts/stable/outline/values.yaml
+++ b/charts/stable/outline/values.yaml
@@ -23,7 +23,6 @@ env:
   MAXIMUM_IMPORT_SIZE: 5120000
   DEFAULT_LANGUAGE: "en_US"
   # TEAM_LOGO: ""
-  # ALLOWED_DOMAINS: ""
   # COLLABORATION_URL: ""
   # SLACK_KEY: ""
   # SLACK_SECRET: ""