diff --git a/features/org.eclipse.objectteams.otdt.core.patch/feature.xml b/features/org.eclipse.objectteams.otdt.core.patch/feature.xml
index b448a09..5167be7 100644
--- a/features/org.eclipse.objectteams.otdt.core.patch/feature.xml
+++ b/features/org.eclipse.objectteams.otdt.core.patch/feature.xml
@@ -59,7 +59,7 @@
    </url>
 
    <requires>
-      <import feature="org.eclipse.jdt" version="3.17.0.v20190301-0040" patch="true"/>
+      <import feature="org.eclipse.jdt" version="3.17.0.v20190307-0500" patch="true"/>
    </requires>
 
    <plugin
diff --git a/releng/build-scripts/build/otdt_prerequisites-hipp.sh b/releng/build-scripts/build/otdt_prerequisites-hipp.sh
index 6752c12..0a44f42 100644
--- a/releng/build-scripts/build/otdt_prerequisites-hipp.sh
+++ b/releng/build-scripts/build/otdt_prerequisites-hipp.sh
@@ -53,14 +53,14 @@
 
 # VERSIONS:
 # Eclipse SDK build identifier (used for substitution in otdt.map.in etc.):
-SDK_QUALIFIER=${SDK_QUALIFIER:="I20190301-0040"}
+SDK_QUALIFIER=${SDK_QUALIFIER:="I20190307-0500"}
 
 # Architecture (as used by OSGi):
 ARCH=`arch`
 
 # used only locally (components of the ECLIPSE_SDK_TGZ path):
-EVERSION=${EVERSION:="4.11RC1"}
-DROP=${DROPS4}/${DROP:="S-4.11RC1-201903010040"}
+EVERSION=${EVERSION:="4.11RC2"}
+DROP=${DROPS4}/${DROP:="S-4.11RC2-201903070500"}
 
 # EXPORT: archive file of the base eclipse SDK build:
 ECLIPSE_SDK_TGZ=${DROP}/eclipse-SDK-${EVERSION}-linux-gtk-${ARCH}.tar.gz
diff --git a/releng/build-scripts/build/run.properties b/releng/build-scripts/build/run.properties
index 2515850..1faadc7 100644
--- a/releng/build-scripts/build/run.properties
+++ b/releng/build-scripts/build/run.properties
@@ -19,16 +19,16 @@
 
 # ------------- insert current versions here ---------------
 # Details of the Eclipse SDK built upon:
-run.eclipseScriptDir=plugins/org.eclipse.pde.build_3.10.200.v20181008-0641/scripts
+run.eclipseScriptDir=plugins/org.eclipse.pde.build_3.10.300.v20190305-0856/scripts
 org.eclipse.equinox.launcher_jar=org.eclipse.equinox.launcher_1.5.300.v20190213-1655.jar
 
 # for patching our patch feature to match this version with any suffix:
-jdt.feature.version=3.17.0.v20190301-0040
-jdt.feature.version.next=3.17.0.v20190301-0041
+jdt.feature.version=3.17.0.v20190307-0500
+jdt.feature.version.next=3.17.0.v20190307-0501
 
 # jdt.core fragments for extracting pre-built classes and properties:
-jdt.compiler.apt=org.eclipse.jdt.compiler.apt_1.3.500.v20190218-0525.jar
-jdt.compiler.tool=org.eclipse.jdt.compiler.tool_1.2.500.v20190218-0525.jar
+jdt.compiler.apt=org.eclipse.jdt.compiler.apt_1.3.500.v20190304-0429.jar
+jdt.compiler.tool=org.eclipse.jdt.compiler.tool_1.2.500.v20190304-0429.jar
 # -----------------------------------------------------------
 
 #Git Support for PDE BUILD: