diff --git a/CHANGELOG.md b/CHANGELOG.md
index db07c25..7b801da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.0.1](https://github.com/top-maker/modsim/compare/v1.0.0...v1.0.1) (2026-10-28)
+
+
+### Bug Fixes
+
+* harden simulator transports and release safety ([#12](https://github.com/top-maker/modsim/issues/12)) ([0982f6a](https://github.com/top-maker/modsim/commit/0982f6aa10a8fcd83a7ad8c17cbbfec7a2bc4f9c))
+
 ## [1.0.0](https://github.com/top-maker/modsim/compare/v0.5.2...v1.0.0) (2026-10-27)
 
 
diff --git a/modsim/__init__.py b/modsim/__init__.py
index 5becc17..5c4105c 100644
--- a/modsim/__init__.py
+++ b/modsim/__init__.py
@@ -1 +1 @@
-__version__ = "1.0.0"
+__version__ = "1.0.1"
diff --git a/pyproject.toml b/pyproject.toml
index 5fabe92..72e0f6c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "modsim"
-version = "1.0.0"
+version = "1.0.1"
 description = "A Simple Modbus TCP Device Simulator used for modpoll tool"
 authors = ["Ying Shaodong <helloysd@gmail.com>"]
 repository = "https://github.com/top-maker/modsim"