diff --git a/.gitignore b/.gitignore
index 3384f86..22769de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@
 /InsightSoftwareGuide-Book1-4.7.1.pdf
 /InsightSoftwareGuide-Book2-4.7.1.pdf
 /InsightToolkit-4.7.2.tar.xz
+/InsightToolkit-4.8.0.tar.xz
diff --git a/InsightToolkit.spec b/InsightToolkit.spec
index 3031ca2..a478e09 100644
--- a/InsightToolkit.spec
+++ b/InsightToolkit.spec
@@ -1,6 +1,6 @@
 %define _ver_major      4
-%define _ver_minor      7
-%define _ver_release    2
+%define _ver_minor      8
+%define _ver_release    0
 %define _ver_doc_major    4
 %define _ver_doc_minor    7
 %define _ver_doc_release  1
@@ -13,7 +13,7 @@
 Name:           InsightToolkit
 Summary:        Insight Toolkit library for medical image processing
 Version:        %{_ver_major}.%{_ver_minor}.%{_ver_release}
-Release:        4%{?dist}
+Release:        1%{?dist}
 License:        ASL 2.0
 Group:          Applications/Engineering
 Source0:        http://sourceforge.net/projects/itk/files/itk/%{_ver_major}.%{_ver_minor}/%{name}-%{version}.tar.xz
@@ -154,8 +154,11 @@ pushd %{_target_platform}
        -DITK_WRAP_JAVA:BOOL=OFF \
        -DBUILD_DOCUMENTATION:BOOL=OFF \
        -DModule_ITKReview:BOOL=ON \
+       -DITK_USE_SYSTEM_LIBRARIES:BOOL=ON \
        -DITK_USE_SYSTEM_EXPAT=ON \
        -DITK_USE_SYSTEM_FFTW=ON \
+       -DITK_USE_FFTWD=ON \
+       -DITK_USE_FFTWF=ON \
        -DITK_USE_SYSTEM_GCCXML=ON \
        -DITK_USE_SYSTEM_GDCM=ON \
        -DITK_USE_SYSTEM_HDF5=ON \
@@ -238,6 +241,10 @@ make test -C %{_target_platform} || exit 0
 %{_libdir}/cmake/%{name}/Modules/ITKVtkGlue.cmake
 
 %changelog
+* Fri Jul 03 2015 Sebastian Pölsterl <sebp@k-d-w.org> - 4.8.0-1
+- Update to 4.8.0
+- Enable single and double precision for FFT (fixes bug #1076793)
+
 * Tue Jun 16 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 4.7.2-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
 
diff --git a/sources b/sources
index 9c4b166..3ecaecf 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-71326c6179320b4a588c0c8c89f1612f  InsightToolkit-4.7.2.tar.xz
+c92f1a95379759427c9f6e7eb3e77c11  InsightToolkit-4.8.0.tar.xz
 f00b6c40a1312e22d81f8a2b9ba90f21  InsightSoftwareGuide-Book1-4.7.1.pdf
 abac8372e09088b75a293179659a02e2  InsightSoftwareGuide-Book2-4.7.1.pdf