diff --git a/libtpms.spec b/libtpms.spec
index 647bb74..0496e6b 100644
--- a/libtpms.spec
+++ b/libtpms.spec
@@ -2,7 +2,7 @@
 
 %define name      libtpms
 %define version   0.5.1
-%define release   17
+%define release   18
 
 # Valid crypto subsystems are 'freebl' and 'openssl'
 %define crypto_subsystem  freebl
@@ -28,6 +28,7 @@ BuildRequires:  nss-softokn-freebl-static >= 3.12.9-2
 BuildRequires:  nss-softokn-devel >= 3.12.9-2, gmp-devel
 BuildRequires:  pkgconfig gawk
 Requires:       nss-softokn-freebl >= 3.12.9-2, nss-softokn >= 3.12.9-2
+Requires:       gmp
 %endif
 
 %description
@@ -93,6 +94,10 @@ make %{?_smp_mflags} install DESTDIR=${RPM_BUILD_ROOT}
 %postun -p /sbin/ldconfig
 
 %changelog
+* Mon Mar 25 2013 Stefan Berger - 0.5.1-18
+- Ran autoreconf for support of aarch64
+- Checking for __arm64__ in code
+
 * Thu Feb 14 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.5.1-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
 
diff --git a/sources b/sources
index 33770d8..456c101 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-a24e78d4fe1084c2d1283d25d6bac8f6  libtpms-0.5.1.tar.gz
+587c66b7a9f72d6e091e5ed8a38e052d  libtpms-0.5.1.tar.gz