diff --git a/features/org.eclipse.objectteams.otdt.core.patch/feature.xml b/features/org.eclipse.objectteams.otdt.core.patch/feature.xml
index a740497..9571a42 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="3.18.200.v20191204-1800" patch="true"/>
+      <import feature="org.eclipse.jdt" version="3.18.200.v20191210-0610" 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 96c38f6..a0a3fb6 100644
--- a/releng/build-scripts/build/otdt_prerequisites-hipp.sh
+++ b/releng/build-scripts/build/otdt_prerequisites-hipp.sh
@@ -56,11 +56,11 @@
 
 # VERSIONS:
 # Eclipse SDK build identifier (used for substitution in otdt.map.in etc.):
-SDK_QUALIFIER=${SDK_QUALIFIER:="I20191204-1800"}
+SDK_QUALIFIER=${SDK_QUALIFIER:="I20191210-0610"}
 
 # used only locally (components of the ECLIPSE_SDK_TGZ path):
-EVERSION=${EVERSION:="4.14RC2"}
-DROP=${DROPS4}/${DROP:="S-4.14RC2-201912041800"}
+EVERSION=${EVERSION:="4.14RC2a"}
+DROP=${DROPS4}/${DROP:="S-4.14RC2a-201912100610"}
 
 # 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 e0c23e8..077e677 100644
--- a/releng/build-scripts/build/run.properties
+++ b/releng/build-scripts/build/run.properties
@@ -23,8 +23,8 @@
 org.eclipse.equinox.launcher_jar=org.eclipse.equinox.launcher_1.5.600.v20191014-2022.jar
 
 # for patching our patch feature to match this version with any suffix:
-jdt.feature.version=3.18.200.v20191204-1800
-jdt.feature.version.next=3.18.200.v20191204-1801
+jdt.feature.version=3.18.200.v20191210-0610
+jdt.feature.version.next=3.18.200.v20191210-0611
 
 # jdt.core fragments for extracting pre-built classes and properties:
 jdt.compiler.apt=org.eclipse.jdt.compiler.apt_1.3.800.v20190919-0948.jar