diff --git a/.gitignore b/.gitignore
index 1281794..ee5c368 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,4 @@
 /evolution-ews-3.8.1.tar.xz
 /evolution-ews-3.8.2.tar.xz
 /evolution-ews-3.8.3.tar.xz
+/evolution-ews-3.8.4.tar.xz
diff --git a/evolution-ews.spec b/evolution-ews.spec
index 5276cfb..a17f8c1 100644
--- a/evolution-ews.spec
+++ b/evolution-ews.spec
@@ -1,7 +1,9 @@
+%define libmspack_version 0.4
+
 %global evo_base_version 3.8
 
 Name: evolution-ews
-Version: 3.8.3
+Version: 3.8.4
 Release: 1%{?dist}
 Group: Applications/Productivity
 Summary: Evolution extension for Exchange Web Services
@@ -17,6 +19,7 @@ Requires: evolution-data-server >= %{version}
 BuildRequires: evolution-devel >= %{version}
 BuildRequires: evolution-data-server-devel >= %{version}
 BuildRequires: intltool
+BuildRequires: libmspack-devel >= %{libmspack_version}
 
 %description
 This package allows Evolution to interact with Microsoft Exchange servers,
@@ -68,6 +71,10 @@ rm $RPM_BUILD_ROOT%{_libdir}/pkgconfig/*.pc
 %{_libdir}/liblzx.so.*
 
 %changelog
+* Tue Jul 23 2013 Milan Crha <mcrha@redhat.com> - 3.8.4-1
+- Update to 3.8.4
+- Add dependency on libmspack
+
 * Mon Jun 10 2013 Milan Crha <mcrha@redhat.com> - 3.8.3-1
 - Update to 3.8.3
 
@@ -95,7 +102,7 @@ rm $RPM_BUILD_ROOT%{_libdir}/pkgconfig/*.pc
 * Mon Jan 14 2013 Milan Crha <mcrha@redhat.com> - 3.7.4-1
 - Update to 3.7.4
 
-* Wed Dec 20 2012 Matthew Barnes <mbarnes@redhat.com> - 3.7.3.1-1
+* Thu Dec 20 2012 Matthew Barnes <mbarnes@redhat.com> - 3.7.3.1-1
 - Update to 3.7.3.1
 
 * Mon Nov 19 2012 Milan Crha <mcrha@redhat.com> - 3.7.2-1
@@ -162,5 +169,5 @@ rm $RPM_BUILD_ROOT%{_libdir}/pkgconfig/*.pc
 - Update to 3.3.2
 - Removed obsolete patches (fixed upstream)
 
-* Wed Nov 07 2011 Matthew Barnes <mbarnes@redhat.com> - 3.3.1-1
+* Mon Nov 07 2011 Matthew Barnes <mbarnes@redhat.com> - 3.3.1-1
 - Initial packaging for Fedora 17.
diff --git a/sources b/sources
index f1e2701..f9937ca 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-5e18017fef36030ef3b9216ee0c7947f  evolution-ews-3.8.3.tar.xz
+1ab310180267b13b4cc6ee6cce75517a  evolution-ews-3.8.4.tar.xz