diff --git a/assets/scss/_variables_project_after_bs.scss b/assets/scss/_variables_project_after_bs.scss
index 63b71bff0..756b2f187 100644
--- a/assets/scss/_variables_project_after_bs.scss
+++ b/assets/scss/_variables_project_after_bs.scss
@@ -143,6 +143,7 @@
 
   --sidebar-title-color: #40435C;
   --sidebar-hover-color: #1393C2;
+  --sidebar-version-color: #B2B9BE;
 
   --table-background-color: #FFF;
   --table-border-color: #E0E4E7;
diff --git a/assets/scss/sidebar-tree/_styles_project_sidebar-tree.scss b/assets/scss/sidebar-tree/_styles_project_sidebar-tree.scss
index 209c384f0..c27a7ff22 100644
--- a/assets/scss/sidebar-tree/_styles_project_sidebar-tree.scss
+++ b/assets/scss/sidebar-tree/_styles_project_sidebar-tree.scss
@@ -52,11 +52,17 @@
 }
 
 .sidebar-title {
-  margin-bottom: 8px;
+  margin-bottom: 0px;
 }
 .body-bold.sidebar-title {
   color: var(--sidebar-title-color);
 }
+.sidebar-version {
+  font-size: 12px;
+  font-weight: 500;
+  margin-bottom: 15px;
+  color: var(--sidebar-version-color);
+}
 
 nav.foldable-nav .ul-1 .with-child > label::before {
   padding-left: 0;
diff --git a/layouts/_partials/sidebar-tree.html b/layouts/_partials/sidebar-tree.html
index 76ea8514e..72d979efb 100644
--- a/layouts/_partials/sidebar-tree.html
+++ b/layouts/_partials/sidebar-tree.html
@@ -41,6 +41,7 @@
 
   <div class="sidebar-header">    
     <p class="body-bold sidebar-title">Documentation</p>
+    <p class="sidebar-version">OpenNebula {{ .Site.Params.version -}}</p>
     <p class="sidebar-description">Learn basics, installation, configuration and use of OpenNebula.</p>
   </div>