diff --git a/core/build.xml b/core/build.xml
index 856321d77..48f7aed46 100644
--- a/core/build.xml
+++ b/core/build.xml
@@ -96,8 +96,8 @@
 			<zipfileset src="${lib.dir}/guice-multibindings-3.0.jar"/>
 			<zipfileset src="${lib.dir}/iText-5.0.2.jar"/>
 			<zipfileset src="${lib.dir}/javax.inject.jar"/>
-			<zipfileset src="${lib.dir}/jcommon-1.0.17.jar"/>
-			<zipfileset src="${lib.dir}/jfreechart-1.0.14.jar"/>
+			<zipfileset src="${lib.dir}/jcommon-1.0.18.jar"/>
+			<zipfileset src="${lib.dir}/jfreechart-1.0.15.jar"/>
 			<zipfileset src="${lib.dir}/miglayout15-swing.jar"/>
 			<zipfileset src="${lib.dir}/opencsv-2.3.jar"/>
 			<zipfileset src="${lib.dir}/OrangeExtensions-1.2.jar"/>