diff --git a/src/lib/Hydra/Controller/Root.pm b/src/lib/Hydra/Controller/Root.pm
index 106f395b..b104121f 100644
--- a/src/lib/Hydra/Controller/Root.pm
+++ b/src/lib/Hydra/Controller/Root.pm
@@ -244,7 +244,7 @@ sub nix_cache_info :Path('nix-cache-info') :Args(0) {
         # Give Hydra binary caches a very low priority (lower than the
         # static binary cache http://nixos.org/binary-cache).
         "Priority: 100\n";
-    setCacheHeaders($c, 365 * 24 * 60 * 60);
+    setCacheHeaders($c, 24 * 60 * 60);
     $c->forward('Hydra::View::Plain');
 }