diff --git a/build.xml b/build.xml
index e6df81c8c6903b17b4aa6848a0ded6c5533f1db3..2084f5f6da7e674d688957c3750c7b78eedb6ed4 100644
--- a/build.xml
+++ b/build.xml
@@ -63,7 +63,7 @@
   <target name="versionnumber" depends="bind,git.revision" description="Establishes the version number">
     <tstamp><format locale="fr,fr" pattern="dd/MM/yyyy" property="date"/></tstamp>
     <echo message="${repository.version}" />
-    <property name="copyyear" value="2021-2022"/>
+    <property name="copyyear" value="2020-2025"/>
     <!-- first attempt -->
     <property name="git.hash" value="${repository.version}"/>
     <filter token="DATE" value="${date}"/>