diff --git a/libsemanage.spec b/libsemanage.spec
index 0c2427f..962dd3b 100644
--- a/libsemanage.spec
+++ b/libsemanage.spec
@@ -12,7 +12,7 @@ Patch: libsemanage-rhat.patch
 BuildRoot: %{_tmppath}/%{name}-buildroot
 BuildRequires: libselinux-devel >= %{libselinuxver} 
 BuildRequires: libsepol-devel >= %{libsepolver} 
-BuildRequires: python-devel
+BuildRequires: python-devel bison
 
 %description
 Security-enhanced Linux is a feature of the Linux® kernel and a number