diff --git a/src/semble/version.py b/src/semble/version.py
index f0768802c..2310b953d 100644
--- a/src/semble/version.py
+++ b/src/semble/version.py
@@ -1,2 +1,2 @@
-__version_triple__ = (0, 3, 4)
+__version_triple__ = (0, 4, 0)
 __version__ = ".".join(map(str, __version_triple__))