diff --git a/m17n-lib.spec b/m17n-lib.spec
index ac20c85..8dd591e 100644
--- a/m17n-lib.spec
+++ b/m17n-lib.spec
@@ -3,23 +3,22 @@
 
 Name:    m17n-lib
 Version:  1.6.4
-Release:  11%{?dist}
+Release:  12%{?dist}
 Summary:  Multilingual text library
 
-Group:    System Environment/Libraries
 License:  LGPLv2+
 URL:    http://www.nongnu.org/m17n/
 Source0:  http://download.savannah.gnu.org/releases/m17n/%{name}-%{version}.tar.gz
 Patch0:  %{name}-1.6.1-multilib.patch
 Patch1:	 %{name}-1.6.4-aarch64.patch
 
-BuildRequires:  m17n-db-devel libthai
+BuildRequires:  m17n-db-devel libthai-devel
 %if %{with anthy}
 BuildRequires:  anthy-devel
 %endif
 BuildRequires:  libxml2-devel, libXft-devel, fontconfig-devel
 BuildRequires:  freetype-devel , fribidi-devel, gd-devel, libXaw-devel
-BuildRequires:  libotf-devel
+BuildRequires:  libotf-devel, bzip2-devel
 Requires:  m17n-db
 
 
@@ -40,7 +39,6 @@ Anthy module for %{name} allows ja-anthy.mim to support input conversion.
 
 %package  devel
 Summary:  Development files for %{name}
-Group:    Development/Libraries
 Requires: %{name}%{?_isa} = %{version}-%{release}
 Requires: %{name}-tools = %{version}-%{release}
 
@@ -50,7 +48,6 @@ Development files for %{name}.
 
 %package  tools
 Summary:  m17n GUI Library tools
-Group:    System Environment/Libraries
 Requires: m17n-db-extras
 Requires: %{name}%{?_isa} = %{version}-%{release}
 
@@ -114,6 +111,9 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 %{_libdir}/libm17n-gui.so.*
 
 %changelog
+* Thu Aug 07 2014 Parag Nemade <pnemade AT redhat DOT com> - 1.6.4-12
+- Resolves:rh#1127583 - Add missing BuildRequires
+
 * Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.6.4-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild