diff --git a/infra/caddy/Caddyfile b/infra/caddy/Caddyfile
index 4477301e..6c27bf7d 100644
--- a/infra/caddy/Caddyfile
+++ b/infra/caddy/Caddyfile
@@ -95,5 +95,6 @@ grafana.archiv.raddatz.cloud {
 }
 
 glitchtip.archiv.raddatz.cloud {
+	header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
 	reverse_proxy 127.0.0.1:3002
 }