diff --git a/web/sidebar/left-layout-aside.react.js b/web/sidebar/left-layout-aside.react.js
--- a/web/sidebar/left-layout-aside.react.js
+++ b/web/sidebar/left-layout-aside.react.js
@@ -24,4 +24,8 @@
   );
 }
 
-export default LeftLayoutAside;
+const MemoizedLeftLayoutAside: React.ComponentType<{}> = React.memo<{}>(
+  LeftLayoutAside,
+);
+
+export default MemoizedLeftLayoutAside;