diff --git a/eclipse.spec b/eclipse.spec
index 7bef190..4da9e2f 100644
--- a/eclipse.spec
+++ b/eclipse.spec
@@ -38,7 +38,7 @@ Epoch:                  1
 Summary:        An open, extensible IDE
 Name:           eclipse
 Version:        4.7.0
-Release:        0.9%{?dist}
+Release:        0.10%{?dist}
 License:        EPL
 URL:            http://www.eclipse.org/
 
@@ -189,7 +189,7 @@ BuildRequires: xml-commons-apis
 BuildRequires: atinject
 BuildRequires: atinject-tck
 BuildRequires: eclipse-filesystem
-BuildRequires: eclipse-ecf-core >= 3.13.3-1
+BuildRequires: eclipse-ecf-core >= 3.13.6-1
 BuildRequires: eclipse-emf-core >= 1:2.12.0-1
 BuildRequires: eclipse-license
 BuildRequires: glassfish-el-api >= 3.0.1
@@ -275,7 +275,7 @@ Requires: sac
 Requires: batik-css
 Requires: xml-commons-apis
 Requires: atinject
-Requires: eclipse-ecf-core >= 3.13.3-1
+Requires: eclipse-ecf-core >= 3.13.6-1
 Requires: eclipse-emf-core >= 1:2.12.0-1
 Requires: glassfish-el-api >= 3.0.1
 Requires: glassfish-el >= 3.0.1
@@ -295,6 +295,13 @@ Requires: ant >= 1.9.6
 Requires: osgi(org.tukaani.xz)
 %endif
 
+# Provides/obsoletes added in F26
+# This is the best place to add this because adding it to the nls RPMs causes every
+# single language pack to be installed, which is not desireable -- it needs to be
+# obsoleted by exactly one thing.
+Provides:  eclipse-nls = %{version}-%{release}
+Obsoletes: eclipse-nls < %{version}-%{release}
+
 %description    platform
 The Eclipse Platform is the base of all IDE plugins.  This does not include the
 Java Development Tools or the Plugin Development Environment.
@@ -544,6 +551,9 @@ sed -i -e '/<\/excludes>/i<plugin id="org.eclipse.jdt.core.compiler.batch"/>' \
 %pom_xpath_inject "feature" '<plugin id="org.mockito.mockito-core" download-size="0" install-size="0" version="0.0.0" unpack="false"/>' eclipse.platform.releng/features/org.eclipse.sdk.tests/feature.xml
 %pom_xpath_inject "feature" '<plugin id="net.sf.cglib.core" download-size="0" install-size="0" version="0.0.0" unpack="false"/>' eclipse.platform.releng/features/org.eclipse.sdk.tests/feature.xml
 
+# Prevent dep cycle
+%pom_xpath_remove "plugin[@id='org.eclipse.core.tests.harness']" eclipse.platform.releng/features/org.eclipse.test-feature/feature.xml
+
 # Include maven descriptors to allow our test execution setup to work
 %pom_xpath_set "pom:plugin[pom:artifactId = 'tycho-packaging-plugin']/pom:configuration/pom:archive/pom:addMavenDescriptor" "true" eclipse-platform-parent
 
@@ -1037,6 +1047,11 @@ fi
 %{_eclipsedir}/plugins/org.eclipse.osgi.util_*
 
 %changelog
+* Tue May 09 2017 Mat Booth <mat.booth@redhat.com> - 1:4.7.0-0.10
+- Rebuild for new ECF
+- Obsolete core NLS package
+- Fix cycle introduced between tests and contributor-tools
+
 * Sat May 06 2017 Mat Booth <mat.booth@redhat.com> - 1:4.7.0-0.9
 - Fix build against new felix-gogo
 - Update to latest I-build