diff --git a/machines/hephaestus/configuration.nix b/machines/hephaestus/configuration.nix
index 2746b56..c229173 100644
--- a/machines/hephaestus/configuration.nix
+++ b/machines/hephaestus/configuration.nix
@@ -91,6 +91,7 @@ in
       android-tools
       bleachbit
       blender
+      calibre
       cryptsetup
       discord
       docker