diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 7f62f305977d67cbb12dc13e9873317029d0fc1a..e97fa79ac9a34454a59ff79fe916afad5dad8dc7 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -1100,7 +1100,7 @@ (define-public acpica
                           "OPT_CFLAGS=-Wall -fno-strict-aliasing")
        #:tests? #f  ; no 'check' target.
        #:phases (modify-phases %standard-phases (delete 'configure))))
-    (home-page "http://acpica.org/")
+    (home-page "https://acpica.org/")
     (synopsis "Tools for the development and debug of ACPI tables")
     (description
      "The ACPI Component Architecture (@dfn{ACPICA}) project provides an