After digging a bit more, I could fix this issue by modifying the
definition of ocaml-dune-build-info with this patch.
The problem might have come from the non standard definition of dune
package using properties only.
diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index f0b8f9e912..40a820b90e 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -9538,7 +9538,7 @@ (define-public ocaml-fix
(define-public ocaml-dune-build-info
(package
- (inherit dune)
+ (inherit dune-bootstrap)
(name "ocaml-dune-build-info")
(build-system dune-build-system)
(arguments
