diff --git a/pyproject.toml b/pyproject.toml
index f236016..f2ec6d3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = "uhi"
-version = "0.3.0"
+version = "0.3.1"
 description = "Unified Histogram Interface: tools to help library authors work with histograms"
 authors = [
   {name="Henry Schreiner", email="henryschreineriii@gmail.com"},
diff --git a/src/uhi/__init__.py b/src/uhi/__init__.py
index 493f741..260c070 100644
--- a/src/uhi/__init__.py
+++ b/src/uhi/__init__.py
@@ -1 +1 @@
-__version__ = "0.3.0"
+__version__ = "0.3.1"