diff --git a/extension/index.html b/extension/index.html
index 18dfd66..25db22d 100644
--- a/extension/index.html
+++ b/extension/index.html
@@ -14,7 +14,7 @@
             <a href="#" id="ta-url" target="_blank">
                 <img src="/images/logo.png" alt="ta-logo">
             </a>
-            <span>v0.4.0-dev</span>
+            <span>v0.4.0</span>
         </div>
         <hr>
         <form class="login-form">
diff --git a/extension/manifest-chrome.json b/extension/manifest-chrome.json
index 028c28b..58fb185 100644
--- a/extension/manifest-chrome.json
+++ b/extension/manifest-chrome.json
@@ -2,7 +2,7 @@
     "manifest_version": 3,
     "name": "TubeArchivist Companion",
     "description": "Interact with your selfhosted TA server.",
-    "version": "0.3.2",
+    "version": "0.4.0",
     "icons": {
         "48": "/images/icon.png",
         "128": "/images/icon128.png"
diff --git a/extension/manifest-firefox.json b/extension/manifest-firefox.json
index ad5540d..c8946d9 100644
--- a/extension/manifest-firefox.json
+++ b/extension/manifest-firefox.json
@@ -2,7 +2,7 @@
     "manifest_version": 2,
     "name": "TubeArchivist Companion",
     "description": "Interact with your selfhosted TA server.",
-    "version": "0.3.2",
+    "version": "0.4.0",
     "icons": {
         "128": "/images/icon128.png"
     },