diff --git a/features/org.eclipse.objectteams.otdt.core.patch/feature.xml b/features/org.eclipse.objectteams.otdt.core.patch/feature.xml
index 0c15e05..dbf4986 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="3.11.0.v20150129-1830" patch="true"/>
+      <import feature="org.eclipse.jdt" version="3.11.0.v20150217-1059" patch="true"/>
    </requires>
 
    <plugin
diff --git a/releng/build-scripts/build/otdt_prerequisites.sh b/releng/build-scripts/build/otdt_prerequisites.sh
index 4fe61e3..37c6c6a 100644
--- a/releng/build-scripts/build/otdt_prerequisites.sh
+++ b/releng/build-scripts/build/otdt_prerequisites.sh
@@ -52,14 +52,14 @@
 
 # VERSIONS:
 # Eclipse SDK build identifier (used for substitution in otdt.map.in etc.):
-SDK_QUALIFIER=I20150129-1830
+SDK_QUALIFIER=I20150217-0800
 
 # Architecture (as used by OSGi):
 ARCH=`arch`
 
 # used only locally (components of the ECLIPSE_SDK_TGZ path):
-EVERSION=4.5M5
-DROP=${BASEDIR}/drops4/S-4.5M5-201501291830
+EVERSION=I20150217-0800
+DROP=${BASEDIR}/drops4/I20150217-0800
 
 # 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 9a4fc8e..998740f 100644
--- a/releng/build-scripts/build/run.properties
+++ b/releng/build-scripts/build/run.properties
@@ -26,8 +26,8 @@
 org.eclipse.equinox.launcher_jar=org.eclipse.equinox.launcher_1.3.0.v20140415-2008.jar
 
 # for patching our patch feature to match this version with any suffix:
-jdt.feature.version=3.11.0.v20150129-18303.11.0.v20150129-1830
-jdt.feature.version.next=3.11.0.v20150129-1830
+jdt.feature.version=3.11.0.v20150217-1059
+jdt.feature.version.next=3.11.0.v20150217-1060
 # -----------------------------------------------------------
 
 #Git Support for PDE BUILD:
diff --git a/releng/map/otdt.map.in b/releng/map/otdt.map.in
index 730d6b3..4446a8a 100644
--- a/releng/map/otdt.map.in
+++ b/releng/map/otdt.map.in
@@ -37,7 +37,7 @@
 plugin@org.eclipse.objectteams.otdt.ui.help=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.ui.help
 plugin@org.eclipse.objectteams.otdt.apt=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.apt,tag=builds/201406101339
 plugin@org.eclipse.objectteams.otdt.compiler.adaptor=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.compiler.adaptor,tag=builds/201406101339
-plugin@org.eclipse.objectteams.otdt.debug.adaptor=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.debug.adaptor,tag=builds/201406101339
+plugin@org.eclipse.objectteams.otdt.debug.adaptor=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.debug.adaptor
 plugin@org.eclipse.objectteams.otdt.refactoring=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.refactoring
 plugin@org.eclipse.objectteams.otdt.pde.ui=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.pde.ui,tag=builds/201406101339
 plugin@org.eclipse.objectteams.otdt.samples=GIT,repo=git://git.eclipse.org/gitroot/objectteams/org.eclipse.objectteams.git,path=plugins/org.eclipse.objectteams.otdt.samples,tag=builds/201406101339
@@ -50,9 +50,9 @@
 plugin@org.objectweb.asm.commons,5.0.1=p2IU,id=org.objectweb.asm.commons,version=5.0.1.v201404251740,repository=http://download.eclipse.org/tools/orbit/downloads/drops/R20140525021250/repository/
 
 !========== JDT/UI: ==========!
-plugin@org.eclipse.jdt.ui=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.ui
-plugin@org.eclipse.jdt.ui.tests=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.ui.tests
-plugin@org.eclipse.jdt.ui.tests.refactoring=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.ui.tests.refactoring
+plugin@org.eclipse.jdt.ui=GIT,tag=aaa5ad5f2614e4859ea7ac5c0bb6ca0f40d68260,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.ui
+plugin@org.eclipse.jdt.ui.tests=GIT,tag=aaa5ad5f2614e4859ea7ac5c0bb6ca0f40d68260,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.ui.tests
+plugin@org.eclipse.jdt.ui.tests.refactoring=GIT,tag=aaa5ad5f2614e4859ea7ac5c0bb6ca0f40d68260,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.ui.tests.refactoring
 
 !***************  OTDT Test CONTRIBUTION  ******************************************************** 
 
@@ -73,7 +73,7 @@
 !-- Tests fetched from original GIT (some are required indirectly by jdt.ui.tests): --
 plugin@org.eclipse.jdt.core.tests.builder=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.core.git,path=org.eclipse.jdt.core.tests.builder
 plugin@org.eclipse.jdt.debug.tests=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git,path=org.eclipse.jdt.debug.tests
-plugin@org.eclipse.jdt.text.tests=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.text.tests
+plugin@org.eclipse.jdt.text.tests=GIT,tag=aaa5ad5f2614e4859ea7ac5c0bb6ca0f40d68260,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.ui.git,path=org.eclipse.jdt.text.tests
 plugin@org.eclipse.jface.text.tests=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/platform/eclipse.platform.text.git,path=org.eclipse.jface.text.tests
 plugin@org.eclipse.text.tests=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/platform/eclipse.platform.text.git,path=org.eclipse.text.tests
 plugin@org.eclipse.core.filebuffers.tests=GIT,tag=@SDK_QUALIFIER@,repo=git://git.eclipse.org/gitroot/platform/eclipse.platform.text.git,path=org.eclipse.core.filebuffers.tests