diff --git a/openbis/build/build.xml b/openbis/build/build.xml
index b739cdb300f7bc355baf59c0d913c0c4e8d72b96..e57c1b56a3ae32b4e0b1151e0d624048adf29ae0 100644
--- a/openbis/build/build.xml
+++ b/openbis/build/build.xml
@@ -646,6 +646,16 @@
       <lib dir="${lib}/fastutil">
         <include name="fastutil.jar" />
       </lib>
+    	<!-- Excel -->
+    	<lib dir="${lib}/poi">
+        <include name="poi-3.7-20101029.jar" />
+        <include name="poi-ooxml-3.7-20101029.jar" />
+      	<include name="poi-ooxml-schemas-3.7-20101029.jar" />
+    	</lib>
+    	<lib dir="${lib}/poi/ooxml-lib">
+        <include name="xmlbeans-2.3.0.jar" />
+        <include name="geronimo-stax-api_1.0_spec-1.0.jar" />
+    	</lib>
       <!-- Database -->
       <lib dir="${lib}/postgresql">
         <include name="postgresql.jar" />