diff --git a/ocaml/t/guestfs_065_implicit_close.ml b/ocaml/t/guestfs_065_implicit_close.ml
index f2dfecbd5..04e511dd8 100644
--- a/ocaml/t/guestfs_065_implicit_close.ml
+++ b/ocaml/t/guestfs_065_implicit_close.ml
@@ -16,6 +16,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *)
 
+let () =
+  (* In OCaml 5, Gc.full_major does not actually collect the handle
+   * for unknown reasons.  Skip the test until we can resolve this.
+   * https://discuss.ocaml.org/t/ocaml-5-forcing-objects-to-be-collected-and-finalized/12492/2
+   *)
+  if Sys.ocaml_version >= "5" then
+    exit 77
+
 let close_invoked = ref 0
 
 let close _ _ _ _ =