diff --git a/.gitignore b/.gitignore
index d5efdec..fb84bd3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,4 @@
 /gnome-calculator-3.14.0.tar.xz
 /gnome-calculator-3.14.1.tar.xz
 /gnome-calculator-3.15.1.tar.xz
+/gnome-calculator-3.15.4.tar.xz
diff --git a/gnome-calculator.spec b/gnome-calculator.spec
index d795595..16e76f9 100644
--- a/gnome-calculator.spec
+++ b/gnome-calculator.spec
@@ -1,5 +1,5 @@
 Name:           gnome-calculator
-Version:        3.15.1
+Version:        3.15.4
 Release:        1%{?dist}
 Summary:        A desktop calculator
 
@@ -11,14 +11,13 @@ Source0:        http://download.gnome.org/sources/%{name}/3.15/%{name}-%{version
 
 BuildRequires: glib2-devel
 BuildRequires: gtk3-devel
-BuildRequires: libsoup-devel
 BuildRequires: desktop-file-utils
 BuildRequires: gettext
-BuildRequires: flex
-BuildRequires: bison
 BuildRequires: intltool
 BuildRequires: itstool
 BuildRequires: gtksourceview3-devel
+BuildRequires: mpfr-devel
+BuildRequires: libxml2-devel
 
 Requires(post): glib2
 Requires(postun): glib2
@@ -75,6 +74,9 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 
 
 %changelog
+* Fri Jan 23 2015 David King <amigadave@amigadave.com> - 3.15.4-1
+- Update to 3.15.4
+
 * Fri Dec 19 2014 Richard Hughes <rhughes@redhat.com> - 3.15.1-1
 - Update to 3.15.1
 
diff --git a/sources b/sources
index c502539..ea0727a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-0a6aded57596e15def2da2357d5d6c58  gnome-calculator-3.15.1.tar.xz
+986ec1b018d7376c9d9e9eba95e4bed6  gnome-calculator-3.15.4.tar.xz