diff --git a/pkgs/by-name/ca/calibre/package.nix b/pkgs/by-name/ca/calibre/package.nix
index 049a6aa34f5c..3fb3d27aaf79 100644
--- a/pkgs/by-name/ca/calibre/package.nix
+++ b/pkgs/by-name/ca/calibre/package.nix
@@ -135,6 +135,7 @@ stdenv.mkDerivation (finalAttrs: {
         pykakasi
         pyqt-builder
         pyqt6
+        pystache
         python
         regex
         sip