diff --git a/.gitignore b/.gitignore
index 51c86d5..fc7d5a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /render-5.11.0-beta-1.zip
 /libsbml-svn22272.tar.gz
 /render-5.11.4-beta-1.zip
+/render-5.11.6-beta-1.zip
diff --git a/libsbml.spec b/libsbml.spec
index 1dff7fa..aa0be3e 100644
--- a/libsbml.spec
+++ b/libsbml.spec
@@ -1,5 +1,5 @@
-%global  checkout   22272
-%global  date       20150528
+#%%global  checkout   22272
+#%%global  date       20150528
 
 %bcond_without perl
 %bcond_without ruby
@@ -8,10 +8,12 @@
 %bcond_without python3
 %bcond_without python2
 
-##ARM arches are not supported by upstream
-%ifnarch %{arm} aarch64
+##Arches not supported by upstream
+%if 0%{?fedora} > 22
+%ifnarch %{arm} aarch64 s390x ppc64 ppc64le
 %bcond_without check
 %endif
+%endif
 
 %ifarch %{mono_arches}
 %bcond_without mono
@@ -40,9 +42,9 @@
 %global _docdir_fmt %{name}
 
 Name:           libsbml
-Version:        5.11.5
-#Release:        1%{?dist}
-Release:        0.12.%{date}svn%{checkout}%{?dist}
+Version:        5.11.6
+Release:        2%{?dist}
+#Release:        0.1.%%{date}svn%%{checkout}%%{?dist}
 Summary:        Systems Biology Markup Language library
 
 License:        LGPLv2+
@@ -51,9 +53,9 @@ URL:            http://sbml.org/Software/libSBML
 ## Source archive from svn #22272; obtained by:
 ## svn checkout http://svn.code.sf.net/p/sbml/code/trunk/libsbml sbml-code
 ## tar -czvf  libsbml-svn22272.tar.gz sbml-code
-Source0:        libsbml-svn%{checkout}.tar.gz
-#Source0:        http://downloads.sourceforge.net/project/sbml/libsbml/%%{version}/stable/libSBML-%%{version}-core-src.zip
-Source1:        http://sourceforge.net/projects/sbml/files/libsbml/5.11.4/experimental/source/render-5.11.4-beta-1.zip
+#Source0:        libsbml-svn%%{checkout}.tar.gz
+Source0:        http://sourceforge.net/projects/sbml/files/libsbml/%{version}-experimental/source/libSBML-%{version}-core-src.tar.gz
+Source1:        http://sourceforge.net/projects/sbml/files/libsbml/%{version}-experimental/source/beta%20packages/render-%{version}-beta-1.zip
 
 ## Unbundle minizip
 Patch0:         libsbml-use-system-minizip-cmake.patch
@@ -205,7 +207,7 @@ This package contains %{summary}.
 %endif
 
 %prep
-%autosetup -n sbml-code -p1
+%autosetup -n libsbml-5.11.6 -p1
 
 sed -i -r 's/DOXYGEN_MAX_VERSION=1\.8\.8/DOXYGEN_MAX_VERSION=1.8.9/' configure
 
@@ -364,10 +366,18 @@ install -Dm0644 src/bindings/ruby/README.txt %{buildroot}%{_pkgdocdir}/README-ru
 %check
 %if %{with python2}
 export CK_FORK=no
-make -C build2 check CTEST_OUTPUT_ON_FAILURE=TRUE
+make -C build2 check
 %endif
 cd build
-ctest --force-new-ctest-process -V -E "test_ruby_binding" CTEST_OUTPUT_ON_FAILURE=TRUE
+%ifarch ppc64 ppc64le
+ctest --force-new-ctest-process -V -E "test_ruby_binding"
+%endif
+%ifarch %{arm}
+ctest --force-new-ctest-process -V -E "test_csharp_bindings_full"
+%endif
+%ifnarch %{arm} ppc64 ppc64le
+ctest --force-new-ctest-process -V
+%endif
 %endif
 
 %post -p /sbin/ldconfig
@@ -456,6 +466,15 @@ ctest --force-new-ctest-process -V -E "test_ruby_binding" CTEST_OUTPUT_ON_FAILUR
 
 
 %changelog
+* Thu Jul 23 2015 Antonio Trande <sagitterATfedoraproject.org> - 5.11.6-2
+- Some tests disabled
+
+* Thu Jul 23 2015 Antonio Trande <sagitterATfedoraproject.org> - 5.11.6-1
+- Bump to the release 5.11.6 (experimental)
+
+* Wed Jul 22 2015 Antonio Trande <sagitterATfedoraproject.org> - 5.11.5-0.13.20150528svn22272
+- Tests disabled on PPC s390x arches
+
 * Sat Jul 18 2015 Antonio Trande <sagitterATfedoraproject.org> - 5.11.5-0.12.20150528svn22272
 - Tests disabled on ARM aarch64
 
diff --git a/sources b/sources
index b0f6f0a..e06b468 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-90ed4e9d975db24f748ab5f71d98084f  libsbml-svn22272.tar.gz
-550f5e112a0c5e966d98e22b3dc26211  render-5.11.4-beta-1.zip
+fbaac09c520d562b7d2dbfb35b157b1a  libSBML-5.11.6-core-src.tar.gz
+a9a4003f983a786bf11b21ef764ee367  render-5.11.6-beta-1.zip