diff --git a/db/migrate/20201027152258_add_missing_permissions.rb b/db/migrate/20201027152258_add_missing_permissions.rb
new file mode 100644
index 000000000..abac35a80
--- /dev/null
+++ b/db/migrate/20201027152258_add_missing_permissions.rb
@@ -0,0 +1,23 @@
+class AddMissingPermissions < ActiveRecord::Migration[5.2]
+  def change
+
+    # return if it's a new setup
+    return if !Setting.exists?(name: 'system_init_done')
+
+    Permission.create_if_not_exists(
+      name:        'admin.channel_google',
+      note:        'Manage %s',
+      preferences: {
+        translations: ['Channel - Google']
+      },
+    )
+
+    Permission.create_if_not_exists(
+      name:        'admin.channel_microsoft365',
+      note:        'Manage %s',
+      preferences: {
+        translations: ['Channel - Microsoft 365']
+      },
+    )
+  end
+end
diff --git a/db/seeds/permissions.rb b/db/seeds/permissions.rb
index d8d6c58b3..70dda8358 100644
--- a/db/seeds/permissions.rb
+++ b/db/seeds/permissions.rb
@@ -143,6 +143,20 @@ Permission.create_if_not_exists(
     translations: ['Channel - Telegram']
   },
 )
+Permission.create_if_not_exists(
+  name:        'admin.channel_google',
+  note:        'Manage %s',
+  preferences: {
+    translations: ['Channel - Google']
+  },
+)
+Permission.create_if_not_exists(
+  name:        'admin.channel_microsoft365',
+  note:        'Manage %s',
+  preferences: {
+    translations: ['Channel - Microsoft 365']
+  },
+)
 Permission.create_if_not_exists(
   name:        'admin.channel_sms',
   note:        'Manage %s',