diff --git a/.vitepress/theme/style.css b/.vitepress/theme/style.css
index 329fa9120..9d9fc850a 100644
--- a/.vitepress/theme/style.css
+++ b/.vitepress/theme/style.css
@@ -93,6 +93,14 @@
   background-color: var(--vp-button-brand-bg);
 }
 
+/* Custom scrollbar */
+.VPSidebar::-webkit-scrollbar {
+  block-size: 4px;
+  border-end-end-radius: 14px;
+  border-start-end-radius: 14px;
+  inline-size: 4px;
+}
+
 /**
  * Component: Home
 */