diff --git a/loopy/version.py b/loopy/version.py
index 60e310a7c70e34be42b3152d3d0e89601ef092ed..9fa881d02879dbdac67043f975bc3c00a6194f11 100644
--- a/loopy/version.py
+++ b/loopy/version.py
@@ -32,4 +32,4 @@ except ImportError:
 else:
     _islpy_version = islpy.version.VERSION_TEXT
 
-DATA_MODEL_VERSION = "v23-islpy%s" % _islpy_version
+DATA_MODEL_VERSION = "v24-islpy%s" % _islpy_version