diff --git a/server/serve_index.go b/server/serve_index.go
index 13fa4a9ce..a538daf1a 100644
--- a/server/serve_index.go
+++ b/server/serve_index.go
@@ -107,6 +107,7 @@ func serveIndex(ds model.DataStore, fs fs.FS, shareInfo *model.Share) http.Handl
 		addShareData(r, data, shareInfo)
 
 		w.Header().Set("Content-Type", "text/html")
+		w.Header().Set("Cache-Control", "no-store, no-cache, must-revalidate")
 		err = t.Execute(w, data)
 		if err != nil {
 			log.Error(r, "Could not execute `index.html` template", err)