diff --git a/setup.cfg b/setup.cfg
index 5d9bd59c..a16cb48d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@
 ##########################
 [metadata]
 name = sssom
-version = 0.3.27
+version = 0.3.28
 description = Operations on SSSOM mapping tables
 long_description = file: README.md
 long_description_content_type = text/markdown