diff --git a/releases-manifest.json b/releases-manifest.json
index ab04307..47fff50 100644
--- a/releases-manifest.json
+++ b/releases-manifest.json
@@ -1,6 +1,6 @@
 {
   "schema": "silentmode-releases/2",
-  "updated": "2026-08-07",
+  "updated": "2026-08-08",
   "mirrors": [
     "https://dl.silentmode.st/"
   ],
@@ -35,15 +35,15 @@
     {
       "id": "theseus-navigator",
       "product": "Theseus Navigator",
-      "version": "0.0.3",
-      "date": "2026-08-07",
+      "version": "0.0.4",
+      "date": "2026-08-08",
       "platform": "win-x64",
       "signed": false,
       "signingAuthority": null,
-      "changes": "Fix address bar not updating on in-page navigation and subdomain hops — t.url now refreshed from webContents on did-navigate / did-navigate-in-page (main.js:770 refreshTabUrl).",
+      "changes": "In-app update-check chip: startup + 6h manifest poll surfaces a one-click download when a newer version is out. No auto-install; the chip opens the download URL in the system browser.",
       "files": {
-        "TheseusNavigator-Setup-0.0.3.exe": "8ab9cc3ee4b826bf60bd12b12d3efdca0966e2b9fef9a3180ef4104af4c6fef3",
-        "TheseusNavigator-0.0.3-portable.exe": "e23be66fdfd2e165e92dcc3e1fc46b718bd574d1b03994d7a5d57c7f30606089"
+        "TheseusNavigator-Setup-0.0.4.exe": "2722c07317b6ab45b22bbaaacb043f0dcdb30a02a6ec1c3c9525ad94ecbd2574",
+        "TheseusNavigator-0.0.4-portable.exe": "938505db9a9a83387387c998423925168498bc482768e23b1b888ad62069fa20"
       }
     }
   ]
diff --git a/releases/index.html b/releases/index.html
index ba32029..2b01220 100644
--- a/releases/index.html
+++ b/releases/index.html
@@ -51,12 +51,12 @@
     <div class="meta">Windows 64-bit · unsigned · 2026-08-07 · address-bar fix on in-page nav</div>
 
     <div class="file">
-      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-Setup-0.0.3.exe">TheseusNavigator-Setup-0.0.3.exe</a> — installer</div>
-      <code>8ab9cc3ee4b826bf60bd12b12d3efdca0966e2b9fef9a3180ef4104af4c6fef3</code>
+      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-Setup-0.0.4.exe">TheseusNavigator-Setup-0.0.4.exe</a> — installer</div>
+      <code>2722c07317b6ab45b22bbaaacb043f0dcdb30a02a6ec1c3c9525ad94ecbd2574</code>
     </div>
     <div class="file">
-      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-0.0.3-portable.exe">TheseusNavigator-0.0.3-portable.exe</a> — portable</div>
-      <code>e23be66fdfd2e165e92dcc3e1fc46b718bd574d1b03994d7a5d57c7f30606089</code>
+      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-0.0.4-portable.exe">TheseusNavigator-0.0.4-portable.exe</a> — portable</div>
+      <code>938505db9a9a83387387c998423925168498bc482768e23b1b888ad62069fa20</code>
     </div>
   </div>
 
diff --git a/tools/index.html b/tools/index.html
index f09f303..44edf2e 100644
--- a/tools/index.html
+++ b/tools/index.html
@@ -110,13 +110,13 @@
            macOS and Linux not yet packaged.</p>
         <div class="meta">v0.0.3 · ~92 MB · unsigned</div>
         <div class="buttons">
-          <a class="btn acid" href="https://dl.silentmode.st/TheseusNavigator-Setup-0.0.3.exe">Installer</a>
-          <a class="btn ghost" href="https://dl.silentmode.st/TheseusNavigator-0.0.3-portable.exe">Portable .exe</a>
+          <a class="btn acid" href="https://dl.silentmode.st/TheseusNavigator-Setup-0.0.4.exe">Installer</a>
+          <a class="btn ghost" href="https://dl.silentmode.st/TheseusNavigator-0.0.4-portable.exe">Portable .exe</a>
         </div>
         <div class="verifybox">
           <div class="lbl">SHA-256 — verify before running</div>
-          <div class="h"><b>Installer</b><code>8ab9cc3ee4b826bf60bd12b12d3efdca0966e2b9fef9a3180ef4104af4c6fef3</code></div>
-          <div class="h"><b>Portable</b><code>e23be66fdfd2e165e92dcc3e1fc46b718bd574d1b03994d7a5d57c7f30606089</code></div>
+          <div class="h"><b>Installer</b><code>2722c07317b6ab45b22bbaaacb043f0dcdb30a02a6ec1c3c9525ad94ecbd2574</code></div>
+          <div class="h"><b>Portable</b><code>938505db9a9a83387387c998423925168498bc482768e23b1b888ad62069fa20</code></div>
         </div>
       </div>