diff --git a/_headers b/_headers
index 38d4f36..3375b11 100644
--- a/_headers
+++ b/_headers
@@ -13,6 +13,7 @@
 /.well-known/matrix/*
   Access-Control-Allow-Origin : *
   Content-Type : application/json
+  Cache-Control : no-transform, max-age=86400, s-maxage=3600, stale-while-revalidate=86400, stale-if-error=86400
 
 /.well-known/openpgpkey/hu/*
   Access-Control-Allow-Origin: *