diff --git a/etc/libs-incl.xml b/etc/libs-incl.xml
index 99c0068e8..54fe7ff59 100644
--- a/etc/libs-incl.xml
+++ b/etc/libs-incl.xml
@@ -6,6 +6,7 @@
     <include name="commons-collections.jar"/>
     <include name="commons-io.jar"/>
     <include name="commons-lang.jar"/>
+    <include name="javassist.jar"/>
     <include name="junit-3.7.jar"/>
     <include name="retroweaver-all-1.2.2.jar"/>
     <include name="samskivert.jar"/>