diff --git a/_pkgdown.yml b/_pkgdown.yml
index b0f2815d..bc88f554 100644
--- a/_pkgdown.yml
+++ b/_pkgdown.yml
@@ -1,3 +1,4 @@
 url: https://epiverse-trace.github.io/serofoi/
 template:
+  bootstrap: 5
   package: epiversetheme