diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 260f9a2..ed570f5 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.1.0
+current_version = 0.1.1
 commit = True
 tag = True
 tag_name = v{new_version}
diff --git a/msgcenterpy/__init__.py b/msgcenterpy/__init__.py
index 21867cc..046bf4b 100644
--- a/msgcenterpy/__init__.py
+++ b/msgcenterpy/__init__.py
@@ -5,7 +5,7 @@ A multi-format message conversion system supporting seamless conversion
 between ROS2, Pydantic, Dataclass, JSON, Dict, YAML and JSON Schema.
 """
 
-__version__ = "0.1.0"
+__version__ = "0.1.1"
 __license__ = "Apache-2.0"
 
 from msgcenterpy.core.envelope import MessageEnvelope, create_envelope
diff --git a/pyproject.toml b/pyproject.toml
index 3c5bcd1..a0ec8c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ version = {attr = "msgcenterpy.__version__"}
 
 [tool.black]
 line-length = 120
-target-version = ['py310', 'py311', 'py312', 'py313']
+target-version = ['py310', 'py311', 'py312']
 
 [tool.isort]
 profile = "black"