diff --git a/pyproject.toml b/pyproject.toml
index cc6307f1..28332c9d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "polar2grid"
-version = "3.1.0"
+version = "3.1.1"
 authors = [
     {name = "David Hoese", email = "david.hoese@ssec.wisc.edu"},
 ]