Hi Ludo, >> lablgtk@2.18.10 >> libsrtp@2.3.0 >> ocaml4.07-lablgtk@1.18.10 I've sent patches [0] [1] to fix these by updating them. Together they have 79 dependents. [0] https://issues.guix.gnu.org/50388 [1] https://issues.guix.gnu.org/50389 -- Sarah