diff --git a/application/Module.php b/application/Module.php
index 6e9fd60d1..d836526cd 100644
--- a/application/Module.php
+++ b/application/Module.php
@@ -22,7 +22,7 @@ class Module extends AbstractModule
     /**
      * This Omeka version.
      */
-    const VERSION = '4.1.0';
+    const VERSION = '4.2.0-alpha';
 
     /**
      * The vocabulary IRI used to define Omeka application data.