diff --git a/passbook/static/static/passbook/pf.js b/passbook/static/static/passbook/pf.js
index 4a8780884..31880461e 100644
--- a/passbook/static/static/passbook/pf.js
+++ b/passbook/static/static/passbook/pf.js
@@ -52,3 +52,17 @@ document.querySelectorAll("input[name=name]").forEach((input) => {
         slugField.value = convertToSlug(e.target.value);
     });
 });
+
+// Hamburger Menu
+document.querySelector(".pf-c-page__header-brand-toggle>button").addEventListener("click", (e) => {
+    const sidebar = document.querySelector(".pf-c-page__sidebar");
+    if (sidebar.classList.contains("pf-m-expanded")) {
+        // Sidebar already expanded
+        sidebar.classList.remove("pf-m-expanded");
+        sidebar.style.zIndex = 0;
+    } else {
+        // Sidebar not expanded yet
+        sidebar.classList.add("pf-m-expanded");
+        sidebar.style.zIndex = 200;
+    }
+});