diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 9b8ce16678..c5b0fdc01c 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -1803,7 +1803,7 @@ (define-public ocaml-cmdliner
                (("Sys.readdir dir")
                 "let a = Sys.readdir dir in Array.sort String.compare a; a"))
              #t)))))
-    (home-page "http://erratique.ch/software/cmdliner")
+    (home-page "https://erratique.ch/software/cmdliner")
     (synopsis "Declarative definition of command line interfaces for OCaml")
     (description "Cmdliner is a module for the declarative definition of command
 line interfaces.  It provides a simple and compositional mechanism to convert