diff --git a/ocaml-parsexp.spec b/ocaml-parsexp.spec
index 271b90e..4c54e11 100644
--- a/ocaml-parsexp.spec
+++ b/ocaml-parsexp.spec
@@ -14,9 +14,9 @@ URL:            https://github.com/janestreet/parsexp
 Source0:        %{url}/archive/v%{version}/%{srcname}-%{version}.tar.gz
 
 BuildRequires:  ocaml >= 4.04.2
-BuildRequires:  (ocaml-base-devel >= 0.14 and ocaml-base-devel < 0.15)
+BuildRequires:  ocaml-base-devel >= 0.14
 BuildRequires:  ocaml-dune >= 2.0.0
-BuildRequires:  (ocaml-sexplib0-devel >= 0.14 and ocaml-sexplib0-devel < 0.15)
+BuildRequires:  ocaml-sexplib0-devel >= 0.14
 
 %description
 This library provides generic parsers for parsing S-expressions from