diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6250ec7..3f0a6a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.4.2] - 2026-03-01
+
+### Bug Fixes
+
+- [`29ed2c8`](https://gitea.pufereq.pl/judas/judas_client/commit/29ed2c8e5d256aa7b75424e6d71e14463f8b9caa) **connector.py**: do not connect multiple times when BlockingIOError encountered in `Connector.connect()`
+
 ## [0.4.1] - 2026-02-28
 
 ### Bug Fixes
diff --git a/pyproject.toml b/pyproject.toml
index 5263f76..cece8b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "judas_client"
-version = "0.4.1"
+version = "0.4.2"
 description = "A client for judas, a remote PC fleet management system."
 readme = "README.md"
 authors = []
diff --git a/uv.lock b/uv.lock
index b6a7a73..b2a6cef 100644
--- a/uv.lock
+++ b/uv.lock
@@ -275,7 +275,7 @@ wheels = [
 
 [[package]]
 name = "judas-client"
-version = "0.4.1"
+version = "0.4.2"
 source = { editable = "." }
 dependencies = [
     { name = "judas-protocol" },