diff --git a/pyproject.toml b/pyproject.toml
index bf2ca76..cb25512 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "foundation-cancer-image-biomarker"
-version = "0.0.1a20"
+version = "0.0.1a21"
 description = "Official repo for Foundation Models for Quantitative Biomarker Discovery in Cancer Imaging [INSERT DOI]"
 readme = "README.md"
 authors = ["Suraj Pai <bspai@bwh.harvard.edu>"]
diff --git a/version.py b/version.py
index a85a4fc..f2e989f 100644
--- a/version.py
+++ b/version.py
@@ -1 +1 @@
-__version__ = "0.0.1a20"
+__version__ = "0.0.1a21"