diff --git a/app/soapbox/actions/snackbar.ts b/app/soapbox/actions/snackbar.ts
index 071c61c4f..57d23b64b 100644
--- a/app/soapbox/actions/snackbar.ts
+++ b/app/soapbox/actions/snackbar.ts
@@ -19,6 +19,7 @@ type SnackbarOpts = {
   actionLabel?: SnackbarMessage,
   actionLink?: string,
   action?: () => void,
+  dismissAfter?: number | false,
 };
 
 export const show = (
diff --git a/app/soapbox/features/ui/containers/notifications_container.tsx b/app/soapbox/features/ui/containers/notifications_container.tsx
index 566acffbb..eafd8efe4 100644
--- a/app/soapbox/features/ui/containers/notifications_container.tsx
+++ b/app/soapbox/features/ui/containers/notifications_container.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { useIntl } from 'react-intl';
+import { useIntl, MessageDescriptor } from 'react-intl';
 import { NotificationStack, NotificationObject, StyleFactoryFn } from 'react-notification';
 import { useHistory } from 'react-router-dom';
 
@@ -18,7 +18,7 @@ const SnackbarContainer: React.FC = () => {
   const alerts = useAppSelector(state => state.alerts);
 
   /** Apply i18n to the message if it's an object. */
-  const maybeFormatMessage = (message: any): string => {
+  const maybeFormatMessage = (message: MessageDescriptor | string): string => {
     switch (typeof message) {
       case 'string': return message;
       case 'object': return intl.formatMessage(message);
@@ -39,7 +39,7 @@ const SnackbarContainer: React.FC = () => {
       key: item.key,
       className: `notification-bar-${item.severity}`,
       activeClassName: 'snackbar--active',
-      dismissAfter: 6000,
+      dismissAfter: item.dismissAfter,
       style: false,
     };
 
diff --git a/app/soapbox/main.tsx b/app/soapbox/main.tsx
index 2ae1212f0..9456d9aa3 100644
--- a/app/soapbox/main.tsx
+++ b/app/soapbox/main.tsx
@@ -47,6 +47,7 @@ function main() {
             action: () => {
               OfflinePluginRuntime.applyUpdate();
             },
+            dismissAfter: false,
           }));
         },
         onUpdated: function() {
diff --git a/app/soapbox/reducers/alerts.ts b/app/soapbox/reducers/alerts.ts
index ac290e0fa..b81c01b7f 100644
--- a/app/soapbox/reducers/alerts.ts
+++ b/app/soapbox/reducers/alerts.ts
@@ -14,6 +14,7 @@ const AlertRecord = ImmutableRecord({
   actionLabel: '',
   actionLink: '',
   action: () => {},
+  dismissAfter: 6000 as number | false,
 });
 
 import type { AnyAction } from 'redux';