diff --git a/solo5-elftool.opam b/solo5-elftool.opam
index 40661e0..b47939f 100644
--- a/solo5-elftool.opam
+++ b/solo5-elftool.opam
@@ -22,6 +22,10 @@ depends: [
   "cmdliner"
 ]
 
+conflicts: [
+  "result" {< "1.5"}
+]
+
 synopsis: "OCaml Solo5 elftool for querying solo5 manifests"
 description: """
 OCaml Solo5 elftool is a library and executable for reading solo5 device