diff --git a/dental-server/auth/login.html b/dental-server/auth/login.html
index bbf15a0..4a5c458 100644
--- a/dental-server/auth/login.html
+++ b/dental-server/auth/login.html
@@ -201,7 +201,7 @@
             
             <button type="submit" class="btn" id="loginBtn">Entrar</button>
             <div style="text-align: center; margin-top: 20px; color: var(--text-secondary); font-size: 0.85rem; font-weight: 500;">
-                v2.0.5
+                v2.1.0
             </div>
         </form>
     </div>
diff --git a/dental-server/public/admin-clinics.html b/dental-server/public/admin-clinics.html
index f769f6b..0348bd5 100644
--- a/dental-server/public/admin-clinics.html
+++ b/dental-server/public/admin-clinics.html
@@ -83,6 +83,7 @@
       <button id="logoutBtn" class="logout-btn" onclick="logout(); return false;">
         <i class="fa-solid fa-arrow-right-from-bracket"></i> Sair
       </button>
+      <div class="system-version">v2.1.0</div>
     </div>
   </aside>
 
diff --git a/dental-server/public/clients.html b/dental-server/public/clients.html
index 9a5712f..94a8f13 100644
--- a/dental-server/public/clients.html
+++ b/dental-server/public/clients.html
@@ -244,6 +244,7 @@
             <button id="logoutBtn" class="logout-btn" onclick="logout(); return false;">
                 <i class="fa-solid fa-arrow-right-from-bracket"></i> Sair
             </button>
+            <div class="system-version">v2.1.0</div>
         </div>
     </aside>
 
diff --git a/dental-server/public/index.html b/dental-server/public/index.html
index 14fd2fa..ad4dfa7 100644
--- a/dental-server/public/index.html
+++ b/dental-server/public/index.html
@@ -62,6 +62,7 @@
                 <button id="logoutBtn" class="logout-btn" onclick="logout(); return false;">
                     <i class="fa-solid fa-arrow-right-from-bracket"></i> Sair
                 </button>
+                <div class="system-version">v2.1.0</div>
             </div>
         </aside>
 
diff --git a/dental-server/public/style.css b/dental-server/public/style.css
index 0f15760..4358b34 100644
--- a/dental-server/public/style.css
+++ b/dental-server/public/style.css
@@ -980,3 +980,18 @@ body.is-admin .admin-only {
     }
 }
 
+/* Versão do Sistema na Sidebar */
+.system-version {
+    text-align: center;
+    font-size: 11px;
+    color: var(--text-secondary);
+    opacity: 0.5;
+    margin-top: 12px;
+    font-weight: 500;
+}
+@media (max-width: 768px) {
+    .system-version {
+        display: none !important;
+    }
+}
+
diff --git a/dental-server/version.txt b/dental-server/version.txt
index 359a5b9..50aea0e 100644
--- a/dental-server/version.txt
+++ b/dental-server/version.txt
@@ -1 +1 @@
-2.0.0
\ No newline at end of file
+2.1.0
\ No newline at end of file