diff --git a/discopop_library/global_data/version/VERSION b/discopop_library/global_data/version/VERSION
index e4604e3af..fcdb2e109 100644
--- a/discopop_library/global_data/version/VERSION
+++ b/discopop_library/global_data/version/VERSION
@@ -1 +1 @@
-3.2.1
+4.0.0