diff --git a/ocaml-menhir.spec b/ocaml-menhir.spec
index e4549eb..6c5bf80 100644
--- a/ocaml-menhir.spec
+++ b/ocaml-menhir.spec
@@ -1,5 +1,4 @@
-%global opt %(test -x %{_bindir}/ocamlopt && echo 1 || echo 0)
-%if %opt
+%ifarch %{ocaml_native_compiler}
 %global target native
 %else
 %global target byte
@@ -7,8 +6,8 @@
 %endif
 
 Name:           ocaml-menhir
-Version:        20170712
-Release:        5%{?dist}
+Version:        20171206
+Release:        1%{?dist}
 Summary:        LR(1) parser generator for OCaml
 
 # The generator is GPLv2
@@ -81,6 +80,9 @@ rm -fr %{buildroot}%{_docdir}/menhir
 %{_libdir}/ocaml/menhirSdk/
 
 %changelog
+* Sat Dec  9 2017 Jerry James <loganjerry@gmail.com> - 20171206-1
+- New upstream version
+
 * Wed Nov 08 2017 Richard W.M. Jones <rjones@redhat.com> - 20170712-5
 - OCaml 4.06.0 rebuild.
 
diff --git a/sources b/sources
index 072d99d..5ba93fa 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (menhir-20170712.tar.gz) = 7850fa031a2bd69e9cf17db6d8f82f716ab5f9e60b34d1a53591a3ff46750fb01880f3282a7194465441abc4c2ba60f543646097f5f0eef6fe78b36266a3dbdc
+SHA512 (menhir-20171206.tar.gz) = d35ef859f948eb04944991d821c0ed52b6eb7f8e999d65183298eb47a682c2bc4dd3f2a41ca31fa9439ff3efa530fc6e811b21f0f7d25a3f1cc17030e5434da8