diff --git a/eclipse-help-feature-adjust-dependencies.patch b/eclipse-help-feature-adjust-dependencies.patch
index 8783168..59a82f7 100644
--- a/eclipse-help-feature-adjust-dependencies.patch
+++ b/eclipse-help-feature-adjust-dependencies.patch
@@ -87,8 +87,8 @@ diff -r -Nu eclipse-3.8.0-M1-src/plugins/org.eclipse.help.base/META-INF/MANIFEST
   org.eclipse.help.standalone
 -Require-Bundle: org.apache.lucene;bundle-version="2.9.0";visibility:=reexport,
 - org.apache.lucene.analysis;bundle-version="2.9.0";visibility:=reexport,
-+Require-Bundle: org.apache.lucene.core;bundle-version="[2.9.0,3.0.0)";visibility:=reexport,
-+ org.apache.lucene.analysis;bundle-version="[2.9.0,3.0.0)";visibility:=reexport,
++Require-Bundle: org.apache.lucene.core;bundle-version="[3.0.0,4.0.0)";visibility:=reexport,
++ org.apache.lucene.analysis;bundle-version="[3.0.0,4.0.0)";visibility:=reexport,
   org.eclipse.ant.core;bundle-version="3.2.200";resolution:=optional,
   org.eclipse.core.runtime;bundle-version="3.6.0",
   org.eclipse.help;bundle-version="[3.5.0,4.0.0)";visibility:=reexport,
diff --git a/eclipse.spec b/eclipse.spec
index 65fb99e..41d3692 100644
--- a/eclipse.spec
+++ b/eclipse.spec
@@ -143,7 +143,8 @@ BuildRequires: batik  >= 1.8
 BuildRequires: xml-commons-apis >= 1.4.01-6
 BuildRequires: atinject >= 1-6
 BuildRequires: tycho >= 0.16
-BuildRequires: eclipse-emf-core
+BuildRequires: tycho-extras >= 0.16
+BuildRequires: eclipse-emf-core >= 1:2.8.0-13
 BuildRequires: eclipse-ecf-core
 
 %if 0%{?rhel} >= 6
@@ -362,7 +363,7 @@ cp %{SOURCE21} rt.equinox.incubator/framework/bundles/org.eclipse.equinox.initia
 sed -i -e "s/<module>rt.equinox.p2<\/module>/<module>rt.equinox.p2<\/module><module>rt.equinox.incubator<\/module>/" pom.xml
 
 
-
+sed -i -e "s/2.9,3.0/3.0,4.0/" eclipse.platform.releng/features/org.eclipse.help-feature/pom.xml
 
 
 #sed -i -e "s/x86/x86_64/" eclipse.jdt.debug/org.eclipse.jdt.launching.macosx/pom.xml