diff --git a/build.xml b/build.xml
index 1e2f755c724dbce691bf001fb03b47e09a5b4110..c36938646f382d4f33209f7beb90b7a16b24b3d0 100644
--- a/build.xml
+++ b/build.xml
@@ -21,7 +21,7 @@
   <property name="pgsqlhost" value="localhost" />
   <property name="pgsqlrootuser" value="postgres" />
   <property name="phpunit_extra_params" value="" />
-  <property name="composer_version" value="1.10.8" />
+  <property name="composer_version" value="2.0.13" />
   <property name="composer_extra_params" value="" />
   <property name="mink_driver" value="selenium" />
   <property name="screenshot_dir" value="" /><!-- set to a directory name to capture screenshots of failed tests -->