diff --git a/ocaml-ppx-base.spec b/ocaml-ppx-base.spec
index a12bfa9..9e91825 100644
--- a/ocaml-ppx-base.spec
+++ b/ocaml-ppx-base.spec
@@ -16,12 +16,12 @@ Source0:        %{url}/archive/v%{version}/%{upname}-%{version}.tar.gz
 
 BuildRequires:  ocaml >= 4.04.2
 BuildRequires:  ocaml-dune >= 2.0.0
-BuildRequires:  (ocaml-ppx-cold-devel >= 0.14 with ocaml-ppx-cold-devel < 0.15)
-BuildRequires:  (ocaml-ppx-compare-devel >= 0.14 with ocaml-ppx-compare-devel < 0.15)
-BuildRequires:  (ocaml-ppx-enumerate-devel >= 0.14 with ocaml-ppx-enumerate-devel < 0.15)
-BuildRequires:  (ocaml-ppx-hash-devel >= 0.14 with ocaml-ppx-hash-devel < 0.15)
-BuildRequires:  (ocaml-ppx-js-style-devel >= 0.14 with ocaml-ppx-js-style-devel < 0.15)
-BuildRequires:  (ocaml-ppx-sexp-conv-devel >= 0.14 with ocaml-ppx-sexp-conv-devel < 0.15)
+BuildRequires:  ocaml-ppx-cold-devel >= 0.14
+BuildRequires:  ocaml-ppx-compare-devel >= 0.14
+BuildRequires:  ocaml-ppx-enumerate-devel >= 0.14
+BuildRequires:  ocaml-ppx-hash-devel >= 0.14
+BuildRequires:  ocaml-ppx-js-style-devel >= 0.14
+BuildRequires:  ocaml-ppx-sexp-conv-devel >= 0.14
 BuildRequires:  ocaml-ppxlib-devel >= 0.11.0
 BuildRequires:  ocaml-odoc