diff --git a/.gitignore b/.gitignore
index 9d42e62..38083b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@
 /waf-1.7.11.stripped.tar.bz2
 /waf-1.7.13.stripped.tar.bz2
 /waf-1.7.14.stripped.tar.bz2
+/waf-1.7.15.stripped.tar.bz2
diff --git a/repack.sh b/repack.sh
index c412eb1..6ebe45f 100755
--- a/repack.sh
+++ b/repack.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-version=1.7.14
+version=1.7.15
 prerel=
 
 src=waf-${version}${prerel}.tar.bz2
diff --git a/sources b/sources
index 687e7aa..f82164f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-b0844c520e9091d3a67fe256268656f8  waf-1.7.14.stripped.tar.bz2
+9387d390b9a5e9fedf0ef775a30f5b92  waf-1.7.15.stripped.tar.bz2
diff --git a/waf.spec b/waf.spec
index 28808ef..98cb167 100644
--- a/waf.spec
+++ b/waf.spec
@@ -13,7 +13,7 @@
 %undefine prerel
 
 Name:           waf
-Version:        1.7.14
+Version:        1.7.15
 Release:        %{?prerel:0.}1%{?prerel:.%prerel}%{?dist}
 Summary:        A Python-based build system
 Group:          Development/Tools
@@ -188,12 +188,7 @@ rm -f docs/sphinx/build/html/.buildinfo
 %endif # with_python3
 
 
-%clean
-rm -rf %{buildroot}
-
-
 %files
-%defattr(-,root,root,-)
 %doc README TODO ChangeLog demos
 %{_bindir}/waf
 %{_bindir}/waf-%{python_version}
@@ -202,7 +197,6 @@ rm -rf %{buildroot}
 
 %if 0%{?with_python3}
 %files -n %{name}-python3
-%defattr(-,root,root,-)
 %{_bindir}/waf-%{python3_version}
 %{_datadir}/waf3
 %endif # with_python3
@@ -210,12 +204,15 @@ rm -rf %{buildroot}
 
 %if 0%{?with_docs}
 %files -n %{name}-doc
-%defattr(-,root,root,-)
 %doc docs/sphinx/build/html
 %endif # with_docs
 
 
 %changelog
+* Sat Jan 25 2014 Thomas Moschny <thomas.moschny@gmx.de> - 1.7.15-1
+- Update to 1.7.15.
+- Modernize spec file.
+
 * Tue Jan  7 2014 Thomas Moschny <thomas.moschny@gmx.de> - 1.7.14-1
 - Update to 1.7.14.