diff --git a/.gitignore b/.gitignore
index 314667d..49e32c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,5 +27,8 @@ Thumbs.db
 # --- Playwright test artifacts ---
 .playwright-mcp/
 
+# --- Generated version data ---
+public/version.json
+
 # --- Internal audit (not for commit) ---
 SECURITY_AUDIT.md
diff --git a/public/admin.css b/public/admin.css
index 3bd1a31..e7b072b 100644
--- a/public/admin.css
+++ b/public/admin.css
@@ -29,6 +29,7 @@ body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;b
 .sidebar nav a.active svg{color:var(--accent)}
 .sidebar .bottom a[data-nav=home] svg{color:#2563eb}
 .sidebar .bottom{padding:12px 20px;border-top:1px solid var(--border)}
+.sidebar .version{color:var(--muted);font-size:.72rem;padding:0 20px 8px}
 .sidebar .bottom a{display:flex;align-items:center;gap:10px;color:var(--muted);text-decoration:none;font-size:.8rem;padding:6px 0}
 .sidebar .bottom a:hover{color:var(--text)}
 .sidebar .bottom .logout{color:#ef4444;cursor:pointer;margin-top:4px}
diff --git a/public/admin.js b/public/admin.js
index e7c79b9..34a8bb4 100644
--- a/public/admin.js
+++ b/public/admin.js
@@ -77,10 +77,26 @@ function buildSidebar(active) {
       ${nav.map(n => `<a href="${n.page}.html" data-nav="${n.page}" class="${n.page === active ? 'active' : ''}"><i data-lucide="${n.icon}"></i>${n.label}</a>`).join('')}
     </nav>
     <div class="bottom">
+      <div class="version" id="sidebarVersion"></div>
       <a href="/" data-nav="home"><i data-lucide="home"></i>На главную</a>
       <a class="logout" href="#" data-action="logout"><i data-lucide="log-out"></i>Выйти</a>
     </div>`;
   renderIcons();
+  loadVersion();
+}
+
+async function loadVersion() {
+  const el = document.getElementById('sidebarVersion');
+  if (!el) return;
+  try {
+    const res = await fetch(`${API}/version.json?t=${Date.now()}`);
+    if (!res.ok) { el.textContent = ''; return; }
+    const v = await res.json();
+    if (!v.short) { el.textContent = ''; return; }
+    const d = (v.date || '').slice(0, 10);
+    el.textContent = `v${v.short}${d ? ' · ' + d : ''}`;
+    el.title = `${v.short} · ${v.date || ''}`;
+  } catch { el.textContent = ''; }
 }
 
 // --- Common UI ---
diff --git a/scripts/gen-version.js b/scripts/gen-version.js
new file mode 100644
index 0000000..41caf90
--- /dev/null
+++ b/scripts/gen-version.js
@@ -0,0 +1,18 @@
+const { execSync } = require('child_process');
+const fs = require('fs');
+const path = require('path');
+
+function sh(cmd) {
+  try { return execSync(cmd, { encoding: 'utf8' }).trim(); } catch { return ''; }
+}
+
+const out = {
+  full: sh('git rev-parse HEAD'),
+  short: sh('git rev-parse --short HEAD'),
+  date: sh('git log -1 --format=%cI')
+};
+
+fs.writeFileSync(
+  path.join(__dirname, '..', 'public', 'version.json'),
+  JSON.stringify(out, null, 2)
+);
\ No newline at end of file
diff --git a/scripts/post-commit.sh b/scripts/post-commit.sh
new file mode 100755
index 0000000..ea062ed
--- /dev/null
+++ b/scripts/post-commit.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+ROOT="$(git rev-parse --show-toplevel)"
+node "$ROOT/scripts/gen-version.js"
\ No newline at end of file