diff --git a/.gitignore b/.gitignore
index 5b817de..9a3449f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 c08.00.tar.gz
 cloudy_no_date_footer.tar.gz
 /c13.03.tar.gz
+/c13.04.tar.gz
diff --git a/cloudy.spec b/cloudy.spec
index e85c26a..dbab15b 100644
--- a/cloudy.spec
+++ b/cloudy.spec
@@ -1,6 +1,6 @@
 Name: cloudy
-Version: 13.03
-Release: 8%{?dist}
+Version: 13.04
+Release: 1%{?dist}
 Summary: Spectral synthesis code to simulate conditions in interstellar matter
 
 
@@ -68,7 +68,8 @@ export CLOUDY_DATA_PATH="%{buildroot}/%{_datadir}/%{name}/data/"
 %{buildroot}/%{_bindir}/cloudy.exe -r test
 
 %files
-%doc readme.txt license.txt 
+%license license.txt 
+%doc readme.txt 
 %{_bindir}/*
 
 %files data
@@ -76,9 +77,13 @@ export CLOUDY_DATA_PATH="%{buildroot}/%{_datadir}/%{name}/data/"
 %{_datadir}/%{name}
 
 %files doc
-%doc license.txt docs/* 
+%license license.txt
+%doc docs/* 
 
 %changelog
+* Tue Aug 02 2016 Sergio Pascual <sergiopr@fedoraproject.org> - 13.04-1
+- New upstream source (13.04), fixes GCC 6 build failure
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 13.03-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
 
diff --git a/sources b/sources
index e01d971..afceaa5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-eed0ae7432e2f9520e10d5e2bdb78bef  c13.03.tar.gz
+7fbfc26c1ba232f48eb24b76025b31d6  c13.04.tar.gz