diff --git a/config/services/hydra.nix b/config/services/hydra.nix
index 48b0e66d..8ed624e7 100644
--- a/config/services/hydra.nix
+++ b/config/services/hydra.nix
@@ -173,4 +173,32 @@ in {
       OnUnitActiveSec = 604800;
     };
   };
+  systemd.services."upload-hydra-results" = {
+    description = "Upload hydra build results";
+    serviceConfig = {
+      Type = "oneshot";
+      User = "hydra-queue-runner";
+      Group = "hydra";
+    };
+    script = ''
+      set -ex
+      if [ -e /var/lib/hydra/queue-runner/uploading ]; then
+        cat /var/lib/hydra/queue-runner/uploading | xargs ${pkgs.nix}/bin/nix copy --to s3://cache-chir-rs?scheme=https&endpoint=ams1.vultrobjects.com&secret-key=${config.sops.secrets."services/hydra/cache-key".path}&multipart-upload=true&compression=zstd&compression-level=15 -vvv
+        rm /var/lib/hydra/queue-runner/uploading
+      fi
+      mv /var/lib/hydra/queue-runner/upload-queue /var/lib/hydra/queue-runner/uploading
+      cat /var/lib/hydra/queue-runner/uploading | xargs ${pkgs.nix}/bin/nix copy --to s3://cache-chir-rs?scheme=https&endpoint=ams1.vultrobjects.com&secret-key=${config.sops.secrets."services/hydra/cache-key".path}&multipart-upload=true&compression=zstd&compression-level=15 -vvv
+      rm /var/lib/hydra/queue-runner/uploading
+    '';
+  };
+  systemd.timers.upload-hydra-results = {
+    enable = true;
+    description = "Upload hydra build results";
+    requires = ["upload-hydra-results.service"];
+    wantedBy = ["multi-user.target"];
+    timerConfig = {
+      OnBootSec = 300;
+      OnUnitActiveSec = 300;
+    };
+  };
 }