diff --git a/deep_sequencing_unit/build/build.xml b/deep_sequencing_unit/build/build.xml
index e103f5f33ecb49eca5bc2745a6cc8947f6420eb7..d708a7af41aa16ce52072e696a1f3999779242c3 100644
--- a/deep_sequencing_unit/build/build.xml
+++ b/deep_sequencing_unit/build/build.xml
@@ -49,7 +49,7 @@
 		<copy file="${lib}/activation/activation.jar" todir="${dist.tracking.lib}" />
 		<copy file="${lib}/mail/mail.jar" todir="${dist.tracking.lib}" />
 		<copy file="${lib}/log4j/log4j.jar" todir="${dist.tracking.lib}" />
-		<copy file="${lib}/gwt1.7/gwt-isserializable.jar" todir="${dist.tracking.lib}" />
+		<copy file="${lib}/gwt2.0/gwt-isserializable.jar" todir="${dist.tracking.lib}" />
 		<copy file="${lib}/commons-logging/commons-logging.jar" todir="${dist.tracking.lib}" />
 		<copy file="${lib}/commons-io/commons-io.jar" todir="${dist.tracking.lib}" />
 		<copy file="${lib}/commons-lang/commons-lang.jar" todir="${dist.tracking.lib}" />