diff --git a/loopy/version.py b/loopy/version.py
index 7c0f75c3dfeb77e4d905c9b0a70e148a5512f854..8c58c4fe29bfdc35f31f9f2168edda7137e3a1bb 100644
--- a/loopy/version.py
+++ b/loopy/version.py
@@ -25,4 +25,4 @@ VERSION = (2014, 1)
 VERSION_STATUS = ""
 VERSION_TEXT = ".".join(str(x) for x in VERSION) + VERSION_STATUS
 
-DATA_MODEL_VERSION = "v1"
+DATA_MODEL_VERSION = "v2"