Thanks for answering --8<---------------cut here---------------start------------->8--- Generation 568 May 21 2024 09:08:53 (current) nonguix 34935b4 repository URL: https://gitlab.com/nonguix/nonguix branch: master commit: 34935b49ae20d236b0fc89943f0b1d0d5dea3a33 guix 3fd9f25 repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: 3fd9f25bb385723c70d0bd6af21aeaf784d08049 GUIX_PACKAGE_PATH="/home/arkhan/.guix-pkgs" --8<---------------cut here---------------end--------------->8--- I am trying to update kitty to version 0.34.1, the version found in the repositories installs without problems, I attach again the definition I am using.