diff --git a/org.eclipse.scout.target/eclipse-helios.target b/org.eclipse.scout.target/eclipse-helios.target
index aa5c1a6..ee3556c 100644
--- a/org.eclipse.scout.target/eclipse-helios.target
+++ b/org.eclipse.scout.target/eclipse-helios.target
@@ -88,7 +88,7 @@
       <unit id="com.google.guava.source" version="15.0.0.v201403281430"/>
     </location>
     <location includeAllPlatforms="false" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.scout.target/eclipse-indigo.target b/org.eclipse.scout.target/eclipse-indigo.target
index 877733a..0ce5c6e 100644
--- a/org.eclipse.scout.target/eclipse-indigo.target
+++ b/org.eclipse.scout.target/eclipse-indigo.target
@@ -88,7 +88,7 @@
       <unit id="com.google.guava.source" version="15.0.0.v201403281430"/>
     </location>
     <location includeAllPlatforms="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.scout.target/eclipse-juno.target b/org.eclipse.scout.target/eclipse-juno.target
index 02fffc3..8619a3e 100644
--- a/org.eclipse.scout.target/eclipse-juno.target
+++ b/org.eclipse.scout.target/eclipse-juno.target
@@ -89,7 +89,7 @@
       <unit id="com.google.guava.source" version="15.0.0.v201403281430"/>
     </location>
     <location includeAllPlatforms="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.scout.target/eclipse-kepler.target b/org.eclipse.scout.target/eclipse-kepler.target
index b7a2ec91..d1da081 100644
--- a/org.eclipse.scout.target/eclipse-kepler.target
+++ b/org.eclipse.scout.target/eclipse-kepler.target
@@ -87,7 +87,7 @@
       <unit id="com.google.guava.source" version="15.0.0.v201403281430"/>
     </location>
     <location includeAllPlatforms="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.scout.target/eclipse-luna.target b/org.eclipse.scout.target/eclipse-luna.target
index 0e3ea46..a9ff6e4 100644
--- a/org.eclipse.scout.target/eclipse-luna.target
+++ b/org.eclipse.scout.target/eclipse-luna.target
@@ -88,7 +88,7 @@
       <unit id="com.google.guava.source" version="15.0.0.v201403281430"/>
     </location>
     <location includeAllPlatforms="false" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.scout.target/eclipse-mars-integration.target b/org.eclipse.scout.target/eclipse-mars-integration.target
index 00d154d..7343d88 100644
--- a/org.eclipse.scout.target/eclipse-mars-integration.target
+++ b/org.eclipse.scout.target/eclipse-mars-integration.target
@@ -94,7 +94,7 @@
       <unit id="com.google.guava.source" version="15.0.0.v201403281430"/>
     </location>
     <location includeAllPlatforms="false" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.scout.target/eclipse-mars.target b/org.eclipse.scout.target/eclipse-mars.target
index abcaad7..460a068 100644
--- a/org.eclipse.scout.target/eclipse-mars.target
+++ b/org.eclipse.scout.target/eclipse-mars.target
@@ -83,7 +83,7 @@
 <repository id="orbit_R" location="http://download.eclipse.org/tools/orbit/downloads/drops/R20150519210750/repository"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="slicer" includeSource="true" type="InstallableUnit">
-<repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+<repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>
 </location>
diff --git a/org.eclipse.scout.target/eclipse-staging.target b/org.eclipse.scout.target/eclipse-staging.target
index e9786b1..a74db4b 100644
--- a/org.eclipse.scout.target/eclipse-staging.target
+++ b/org.eclipse.scout.target/eclipse-staging.target
@@ -88,7 +88,7 @@
       <unit id="com.google.guava.source" version="15.0.0.v201403281430"/>
     </location>
     <location includeAllPlatforms="false" includeMode="slicer" includeSource="true" type="InstallableUnit">
-      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC3-20150602-0950"/>
+      <repository id="rap_3.0" location="http://download.eclipse.org/rt/rap/3.0/RC4-20150602-0950"/>
 
       <unit id="org.eclipse.rap.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.rap.equinox.target.feature.feature.group" version="0.0.0"/>