diff --git a/system-environment/file-system.nix b/system-environment/file-system.nix
index 4eab9ae..b842c53 100644
--- a/system-environment/file-system.nix
+++ b/system-environment/file-system.nix
@@ -3,6 +3,7 @@
 
     environment.systemPackages = with pkgs; [
         nextcloud-client
+        calibre
     ];
 
     environment.variables = {