diff --git a/pyproject.toml b/pyproject.toml
index 7d5e4cd..f2db5ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "physiotwin4d"
-version = "2026.07.0"
+version = "2026.07.1"
 description = "Methods, workflows, tutorials, and CLI for creating personalized physiological digital twins from 3D medical images"
 authors = [
     {name = "Stephen R. Aylward", email = "saylward@nvidia.com"}
@@ -181,7 +181,7 @@ physiotwin4d-visualize-pca-modes = "physiotwin4d.cli.visualize_pca_modes:main"
 where = ["src"]
 
 [tool.bumpver]
-current_version = "2026.07.0"
+current_version = "2026.07.1"
 version_pattern = "YYYY.0M.PATCH[PYTAGNUM]"
 commit_message = "Bump version {old_version} -> {new_version}"
 commit = false
diff --git a/src/physiotwin4d/__init__.py b/src/physiotwin4d/__init__.py
index 4ce57d0..b7d0da1 100644
--- a/src/physiotwin4d/__init__.py
+++ b/src/physiotwin4d/__init__.py
@@ -20,7 +20,7 @@
     - PhysioTwin4DBase: Base class with standardized logging and debug settings
 """
 
-__version__ = "2026.07.0"
+__version__ = "2026.07.1"
 
 import importlib.util as _importlib_util
 import warnings as _warnings