diff --git a/static/Caddyfile b/static/Caddyfile
index 15281d8..c485f50 100644
--- a/static/Caddyfile
+++ b/static/Caddyfile
@@ -45,5 +45,13 @@ http://static-mat-services.fly.dev/ {
       upgrade-insecure-requests;
       sandbox allow-same-origin allow-popups"
   }
+
+  # caching
+  route {
+    header /style/* Cache-Control max-age=31536000, immutable
+    header /image/* Cache-Control max-age=31536000, immutable
+    header /font/*  Cache-Control max-age=31536000, immutable
+    header          Cache-Control max-age=180
+  }
 }