diff --git a/.gitignore b/.gitignore
index 7992c78..ca81abc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 tiff-3.9.4.tar.gz
 /tiff-3.9.5.tar.gz
+/tiff-4.0.2.tar.gz
diff --git a/mingw-libtiff.spec b/mingw-libtiff.spec
index e9c30b5..0e302d6 100644
--- a/mingw-libtiff.spec
+++ b/mingw-libtiff.spec
@@ -1,12 +1,9 @@
 %?mingw_package_header
 
-%global mingw_build_win32 1
-%global mingw_build_win64 1
-
 Summary:        MinGW Windows port of the LibTIFF library
 Name:           mingw-libtiff
-Version:        3.9.5
-Release:        8%{?dist}
+Version:        4.0.2
+Release:        1%{?dist}
 License:        libtiff
 Group:          System Environment/Libraries
 URL:            http://www.remotesensing.org/libtiff/
@@ -93,13 +90,13 @@ Static version of the MinGW Windows LibTIFF library.
 %setup -q -n tiff-%{version}
 
 # Use build system's libtool.m4, not the one in the package.
-rm -f libtool.m4
+#rm -f libtool.m4
 
-libtoolize --force --copy
-aclocal -I . -I m4
-automake --add-missing --copy
-autoconf
-autoheader
+#libtoolize --force --copy
+#aclocal -I . -I m4
+#automake --add-missing --copy
+#autoconf
+#autoheader
 
 
 %build
@@ -129,11 +126,12 @@ find $RPM_BUILD_ROOT -name "*.la" -delete
 # Win32
 %files -n mingw32-libtiff
 %doc COPYRIGHT README RELEASE-DATE VERSION TODO ChangeLog
-%{mingw32_bindir}/libtiff-3.dll
-%{mingw32_bindir}/libtiffxx-3.dll
+%{mingw32_bindir}/libtiff-5.dll
+%{mingw32_bindir}/libtiffxx-5.dll
 %{mingw32_includedir}/*
 %{mingw32_libdir}/libtiff.dll.a
 %{mingw32_libdir}/libtiffxx.dll.a
+%{mingw32_libdir}/pkgconfig/libtiff-4.pc
 
 %files -n mingw32-libtiff-static
 %{mingw32_libdir}/libtiff.a
@@ -142,11 +140,12 @@ find $RPM_BUILD_ROOT -name "*.la" -delete
 # Win64
 %files -n mingw64-libtiff
 %doc COPYRIGHT README RELEASE-DATE VERSION TODO ChangeLog
-%{mingw64_bindir}/libtiff-3.dll
-%{mingw64_bindir}/libtiffxx-3.dll
+%{mingw64_bindir}/libtiff-5.dll
+%{mingw64_bindir}/libtiffxx-5.dll
 %{mingw64_includedir}/*
 %{mingw64_libdir}/libtiff.dll.a
 %{mingw64_libdir}/libtiffxx.dll.a
+%{mingw64_libdir}/pkgconfig/libtiff-4.pc
 
 %files -n mingw64-libtiff-static
 %{mingw64_libdir}/libtiff.a
@@ -154,6 +153,9 @@ find $RPM_BUILD_ROOT -name "*.la" -delete
 
 
 %changelog
+* Sat Aug 25 2012 Erik van Pienbroek <epienbro@fedoraproject.org> - 4.0.2-1
+- Update to 4.0.2 (RHBZ #850919)
+
 * Fri Jul 20 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.9.5-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
 
diff --git a/sources b/sources
index 04027f5..5a4b39d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8fc7ce3b4e1d0cc8a319336967815084  tiff-3.9.5.tar.gz
+04a08fa1e07e696e820a0c3f32465a13  tiff-4.0.2.tar.gz