diff --git a/setup.py b/setup.py
index 8f6c6ce..275f098 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
 
 setup(
     name='hio',
-    version='0.7.16',  #  also change in src/hio/__init__.py
+    version='0.7.17',  #  also change in src/hio/__init__.py
     license='Apache Software License 2.0',
     description='Hierarchical Concurrency with Async IO',
     long_description=("HIO Hierarchical Concurrency and Asynchronous IO Library. "
@@ -86,7 +86,7 @@
                "structured concurrency",
         # eg: 'keyword1', 'keyword2', 'keyword3',
     ],
-    python_requires='>=3.13.7',
+    python_requires='>=3.14.0',
     install_requires=[
         'lmdb>=1.7.5',
         'msgpack>=1.1.2',
diff --git a/src/hio/__init__.py b/src/hio/__init__.py
index f90a533..57ae1c0 100644
--- a/src/hio/__init__.py
+++ b/src/hio/__init__.py
@@ -3,7 +3,7 @@
 hio package
 """
 
-__version__ = '0.7.16'  # also change in setup.py
+__version__ = '0.7.17'  # also change in setup.py
 
 from .hioing import (Mixin, HioError, SizeError, ValidationError, VersionError,
                      HierError)
diff --git a/src/hio/core/packeting.py b/src/hio/core/packeting.py
index e6e93ad..d8ca471 100644
--- a/src/hio/core/packeting.py
+++ b/src/hio/core/packeting.py
@@ -18,7 +18,7 @@
 
 
 
-class Part(hioing.MixIn):
+class Part(hioing.Mixin):
     """
     Base class for packet part classes with .packed .size and len
     """