diff --git a/src/ml4t/specs/__init__.py b/src/ml4t/specs/__init__.py
index f52124b..b81c22f 100644
--- a/src/ml4t/specs/__init__.py
+++ b/src/ml4t/specs/__init__.py
@@ -83,7 +83,7 @@
     TimestampSemantics,
 )
 
-__version__ = "0.1.3"
+__version__ = "0.1.4"
 
 __all__ = [
     "ArtifactKind",