diff --git a/icu4j/eclipse-build/build.properties b/icu4j/eclipse-build/build.properties
index 7f5e42b641..384e589b1f 100644
--- a/icu4j/eclipse-build/build.properties
+++ b/icu4j/eclipse-build/build.properties
@@ -4,4 +4,4 @@
 #*******************************************************************************
 icu4j.plugin.impl.version.string=51.0.1
 copyright.eclipse=Licensed Materials - Property of IBM \n (C) Copyright IBM Corp. 2000, 2012. All Rights Reserved. \n IBM is a registered trademark of IBM Corp.
-icu4j.data.version.number=50
+icu4j.data.version.number=51