diff --git a/_src/entrypoints/default.ts b/_src/entrypoints/default.ts
index 8f54ba2..1a8b0c5 100644
--- a/_src/entrypoints/default.ts
+++ b/_src/entrypoints/default.ts
@@ -1,6 +1,7 @@
 import "../styles/global.scss";
 import { suffix as siteSuffix } from "virtual:jekyll-config";
 import { load as loadWebFont } from "webfontloader";
+import "bootstrap/js/dist/collapse";
 
 if (siteSuffix) {
   if (