diff --git a/services/arbiter-3.0/migrations/140_server_version_history.sql b/services/arbiter-3.0/migrations/140_server_version_history.sql
new file mode 100644
index 0000000..afa30fa
--- /dev/null
+++ b/services/arbiter-3.0/migrations/140_server_version_history.sql
@@ -0,0 +1,18 @@
+-- Migration 140: Server version history tracking
+-- Chronicler #88 | April 14, 2026
+
+-- Add current_version to server_config for quick display
+ALTER TABLE server_config ADD COLUMN IF NOT EXISTS current_version VARCHAR(64);
+
+-- Version history table
+CREATE TABLE IF NOT EXISTS server_version_history (
+  id SERIAL PRIMARY KEY,
+  server_identifier VARCHAR(36) NOT NULL,
+  version VARCHAR(64) NOT NULL,
+  updated_by_id VARCHAR(32) NOT NULL,
+  updated_by_username VARCHAR(64) NOT NULL,
+  updated_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_svh_server ON server_version_history(server_identifier);
+CREATE INDEX IF NOT EXISTS idx_svh_updated ON server_version_history(updated_at DESC);
diff --git a/services/arbiter-3.0/src/routes/admin/servers.js b/services/arbiter-3.0/src/routes/admin/servers.js
index 4c99813..3ea38e0 100644
--- a/services/arbiter-3.0/src/routes/admin/servers.js
+++ b/services/arbiter-3.0/src/routes/admin/servers.js
@@ -603,4 +603,63 @@ router.post('/:identifier/provision-subdomain', async (req, res) => {
     }
 });
 
+// POST /admin/servers/:identifier/set-version
+// Set the installed modpack version for a server
+router.post('/:identifier/set-version', async (req, res) => {
+    const { identifier } = req.params;
+    const { version } = req.body;
+
+    if (!version || !version.trim()) {
+        return res.status(400).send('<span class="text-red-500 text-sm">❌ Version cannot be empty</span>');
+    }
+
+    const cleanVersion = version.trim();
+    const userId = req.user?.id || 'unknown';
+    const username = req.user?.username || 'Unknown';
+
+    try {
+        // Update current version on server_config
+        await db.query(
+            'UPDATE server_config SET current_version = $1, updated_at = NOW() WHERE server_identifier = $2',
+            [cleanVersion, identifier]
+        );
+
+        // Insert into history
+        await db.query(
+            'INSERT INTO server_version_history (server_identifier, version, updated_by_id, updated_by_username) VALUES ($1, $2, $3, $4)',
+            [identifier, cleanVersion, userId, username]
+        );
+
+        serverCache.lastFetch = 0;
+        console.log(`[VERSION] ${identifier} → ${cleanVersion} by ${username}`);
+
+        res.send(`<span class="text-green-500 text-sm">✅ Version set to ${cleanVersion}</span>`);
+    } catch (err) {
+        console.error('[set-version]', err);
+        res.status(500).send('<span class="text-red-500 text-sm">❌ Failed to update version</span>');
+    }
+});
+
+// GET /admin/servers/:identifier/version-history
+// Returns version history partial for a server
+router.get('/:identifier/version-history', async (req, res) => {
+    const { identifier } = req.params;
+
+    try {
+        const result = await db.query(
+            'SELECT version, updated_by_username, updated_at FROM server_version_history WHERE server_identifier = $1 ORDER BY updated_at DESC LIMIT 10',
+            [identifier]
+        );
+
+        res.render('admin/servers/_version_history', {
+            history: result.rows,
+            identifier,
+            layout: false
+        });
+    } catch (err) {
+        console.error('[version-history]', err);
+        res.status(500).send('<span class="text-red-500 text-sm">❌ Failed to load history</span>');
+    }
+});
+
 module.exports = router;
diff --git a/services/arbiter-3.0/src/views/admin/servers/_server_card.ejs b/services/arbiter-3.0/src/views/admin/servers/_server_card.ejs
index 44cb9b2..968f78f 100644
--- a/services/arbiter-3.0/src/views/admin/servers/_server_card.ejs
+++ b/services/arbiter-3.0/src/views/admin/servers/_server_card.ejs
@@ -187,4 +187,44 @@
                     title="Restart">🔄</button>
         </div>
     </div>
+
+    <!-- Modpack Version -->
+    <div class="px-4 pb-4" style="border-top:1px solid #333;padding-top:10px;margin-top:4px;">
+        <div style="font-size:10px;color:#666;text-transform:uppercase;letter-spacing:0.1em;margin-bottom:6px;">📦 Installed Version</div>
+        <div style="display:flex;gap:6px;align-items:center;" id="version-display-<%= server.identifier %>">
+            <span style="font-size:13px;font-weight:600;color:<%= (config && config.current_version) ? '#4ade80' : '#555' %>">
+                <%= (config && config.current_version) ? config.current_version : 'Not set' %>
+            </span>
+            <button onclick="document.getElementById('version-form-<%= server.identifier %>').style.display='block';this.style.display='none'"
+                    style="font-size:10px;background:#333;border:1px solid #555;color:#aaa;padding:2px 8px;border-radius:4px;cursor:pointer;">
+                ✏️ Edit
+            </button>
+        </div>
+        <div id="version-form-<%= server.identifier %>" style="display:none;margin-top:6px;">
+            <div style="display:flex;gap:6px;align-items:center;">
+                <input type="text" id="version-input-<%= server.identifier %>"
+                       placeholder="e.g. 1.4.2" value="<%= (config && config.current_version) ? config.current_version : '' %>"
+                       style="font-size:12px;background:#1a1a1a;border:1px solid #555;color:#e0e0e0;padding:4px 8px;border-radius:4px;width:140px;" />
+                <button onclick="saveVersion('<%= server.identifier %>')"
+                        style="font-size:11px;background:#2563eb;color:#fff;border:none;padding:4px 10px;border-radius:4px;cursor:pointer;">
+                    Save
+                </button>
+                <button onclick="document.getElementById('version-form-<%= server.identifier %>').style.display='none';document.getElementById('version-edit-btn-<%= server.identifier %>').style.display='inline'"
+                        style="font-size:11px;background:#333;border:1px solid #555;color:#aaa;padding:4px 8px;border-radius:4px;cursor:pointer;">
+                    Cancel
+                </button>
+            </div>
+            <div id="version-result-<%= server.identifier %>" style="margin-top:4px;font-size:11px;"></div>
+            <div style="margin-top:6px;">
+                <button hx-get="/admin/servers/<%= server.identifier %>/version-history"
+                        hx-target="#version-history-<%= server.identifier %>"
+                        hx-swap="innerHTML"
+                        style="font-size:10px;background:transparent;border:none;color:#555;cursor:pointer;padding:0;text-decoration:underline;">
+                    View history
+                </button>
+            </div>
+            <div id="version-history-<%= server.identifier %>" style="margin-top:4px;background:#1a1a1a;border-radius:4px;padding:4px;"></div>
+        </div>
+    </div>
+
 </div>
diff --git a/services/arbiter-3.0/src/views/admin/servers/_version_history.ejs b/services/arbiter-3.0/src/views/admin/servers/_version_history.ejs
new file mode 100644
index 0000000..9d634fa
--- /dev/null
+++ b/services/arbiter-3.0/src/views/admin/servers/_version_history.ejs
@@ -0,0 +1,23 @@
+<!-- Version History Partial -->
+<% if (history.length === 0) { %>
+  <p style="color:#666;font-size:11px;margin:4px 0;">No version history yet.</p>
+<% } else { %>
+  <table style="width:100%;font-size:11px;border-collapse:collapse;">
+    <thead>
+      <tr style="color:#666;text-align:left;">
+        <th style="padding:3px 6px;">Version</th>
+        <th style="padding:3px 6px;">By</th>
+        <th style="padding:3px 6px;">When</th>
+      </tr>
+    </thead>
+    <tbody>
+      <% history.forEach(function(h) { %>
+        <tr style="border-top:1px solid #333;">
+          <td style="padding:3px 6px;color:#e0e0e0;font-weight:600;"><%= h.version %></td>
+          <td style="padding:3px 6px;color:#aaa;"><%= h.updated_by_username %></td>
+          <td style="padding:3px 6px;color:#666;"><%= new Date(h.updated_at).toLocaleDateString() %></td>
+        </tr>
+      <% }); %>
+    </tbody>
+  </table>
+<% } %>
diff --git a/services/arbiter-3.0/src/views/admin/servers/index.ejs b/services/arbiter-3.0/src/views/admin/servers/index.ejs
index fb3a085..164bcc6 100644
--- a/services/arbiter-3.0/src/views/admin/servers/index.ejs
+++ b/services/arbiter-3.0/src/views/admin/servers/index.ejs
@@ -32,3 +32,38 @@
         </div>
 
     </div>
+
+<script>
+async function saveVersion(identifier) {
+    const input = document.getElementById('version-input-' + identifier);
+    const result = document.getElementById('version-result-' + identifier);
+    const version = input.value.trim();
+
+    if (!version) {
+        result.innerHTML = '<span style="color:#ef4444">Version cannot be empty</span>';
+        return;
+    }
+
+    result.innerHTML = '<span style="color:#888">Saving...</span>';
+
+    try {
+        const res = await fetch('/admin/servers/' + identifier + '/set-version', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ version })
+        });
+        const text = await res.text();
+        result.innerHTML = text;
+
+        // Update the display
+        if (res.ok) {
+            const display = document.getElementById('version-display-' + identifier);
+            const span = display.querySelector('span');
+            span.textContent = version;
+            span.style.color = '#4ade80';
+        }
+    } catch (err) {
+        result.innerHTML = '<span style="color:#ef4444">❌ Failed to save</span>';
+    }
+}
+</script>