diff --git a/mx.fastr/projects b/mx.fastr/projects
index 6146d6ccfda50e38213f2f221ea1d60ae498e9d7..70d2d89cb08b9ed66271d515d8c61324970f4e17 100644
--- a/mx.fastr/projects
+++ b/mx.fastr/projects
@@ -1,4 +1,5 @@
 suite=fastr
+mxversion=2.0
 
 library@JDK_TOOLS@path=${JAVA_HOME}/lib/tools.jar