diff --git a/package-lock.json b/package-lock.json
index d7d955dc..d2c7a617 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cinny",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cinny",
-      "version": "4.2.0",
+      "version": "4.2.1",
       "license": "AGPL-3.0-only",
       "dependencies": {
         "@atlaskit/pragmatic-drag-and-drop": "1.1.6",
diff --git a/package.json b/package.json
index 72200751..62d2f708 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cinny",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "Yet another matrix client",
   "main": "index.js",
   "type": "module",
diff --git a/src/app/hooks/useMediaAuthentication.ts b/src/app/hooks/useMediaAuthentication.ts
index 04b25e19..6e4d06aa 100644
--- a/src/app/hooks/useMediaAuthentication.ts
+++ b/src/app/hooks/useMediaAuthentication.ts
@@ -1,10 +1,11 @@
 import { useSpecVersions } from './useSpecVersions';
 
 export const useMediaAuthentication = (): boolean => {
-  const { versions } = useSpecVersions();
+  const { versions, unstable_features: unstableFeatures } = useSpecVersions();
 
   // Media authentication is introduced in spec version 1.11
-  const authenticatedMedia = versions.includes('v1.11');
+  const authenticatedMedia =
+    unstableFeatures?.['org.matrix.msc3916.stable'] || versions.includes('v1.11');
 
   return authenticatedMedia;
 };
diff --git a/src/app/pages/auth/AuthFooter.tsx b/src/app/pages/auth/AuthFooter.tsx
index c43f674c..d555ef0e 100644
--- a/src/app/pages/auth/AuthFooter.tsx
+++ b/src/app/pages/auth/AuthFooter.tsx
@@ -15,7 +15,7 @@ export function AuthFooter() {
         target="_blank"
         rel="noreferrer"
       >
-        v4.2.0
+        v4.2.1
       </Text>
       <Text as="a" size="T300" href="https://twitter.com/cinnyapp" target="_blank" rel="noreferrer">
         Twitter
diff --git a/src/app/pages/client/WelcomePage.tsx b/src/app/pages/client/WelcomePage.tsx
index 430bced5..161167e2 100644
--- a/src/app/pages/client/WelcomePage.tsx
+++ b/src/app/pages/client/WelcomePage.tsx
@@ -24,7 +24,7 @@ export function WelcomePage() {
                   target="_blank"
                   rel="noreferrer noopener"
                 >
-                  v4.2.0
+                  v4.2.1
                 </a>
               </span>
             }
diff --git a/src/client/state/cons.js b/src/client/state/cons.js
index e3db53e6..fbad4687 100644
--- a/src/client/state/cons.js
+++ b/src/client/state/cons.js
@@ -1,5 +1,5 @@
 const cons = {
-  version: '4.2.0',
+  version: '4.2.1',
   secretKey: {
     ACCESS_TOKEN: 'cinny_access_token',
     DEVICE_ID: 'cinny_device_id',