diff --git a/ocaml-menhir.spec b/ocaml-menhir.spec
index f0be53f..ecdd935 100644
--- a/ocaml-menhir.spec
+++ b/ocaml-menhir.spec
@@ -7,7 +7,7 @@
 
 Name:           ocaml-menhir
 Version:        20130911
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        LR(1) parser generator for OCaml
 
 # The library is LGPLv2+ with a linking exception.
@@ -58,6 +58,9 @@ chmod a+x demos/ocamldep.wrapper
 # Prevent embedding buildroot paths into the executable
 sed -i 's/install: all/install:/' Makefile
 
+# Enable debuginfo
+sed -i 's/-j 0/-cflag -g -lflag -g &/' src/Makefile
+
 %build
 make PREFIX=%{_prefix} TARGET=%{target}
 make -C demos clean
@@ -81,6 +84,9 @@ mv demos/ocamldep.wrapper $RPM_BUILD_ROOT%{_bindir}/menhir-ocamldep
 %{_libdir}/ocaml/menhirLib/
 
 %changelog
+* Mon Sep 16 2013 Jerry James <loganjerry@gmail.com> - 20130911-2
+- Rebuild for OCaml 4.01.0
+
 * Thu Sep 12 2013 Jerry James <loganjerry@gmail.com> - 20130911-1
 - New upstream version
 - Allow debuginfo generation since ocaml 4 supports it