diff --git a/CHANGELOG.md b/CHANGELOG.md
index a332a00..75a9f98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.1] - 2023-09-24
+
+### Added
+
+- Code of conduct badge and file
+- [Sample jdk compatibility check workflow on branch develop](.github/workflows/build_maven_compatibility.yml)
+
+### Changed
+
+- [Sonar cloud workflow merged in maven build](.github/workflows/deploy_maven_package.yml)
+- fj-bom version set to 1.4.0
+
+### Removed
+
+- Sonar cloud workflow yml removed. (after being merged with maven build)
+
 ## [0.4.0] - 2023-09-23
 
 ### Added
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
new file mode 100644
index 0000000..de678c9
--- /dev/null
+++ b/CODE_OF_CONDUCT.md
@@ -0,0 +1,3 @@
+# Code of conduct
+
+refer to [fugerit-org](https://github.com/fugerit-org) [code of conduct](https://github.com/fugerit-org/fj-universe/blob/main/CODE_OF_CONDUCT.md).
diff --git a/README.md b/README.md
index fc3a12e..fe5366b 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ Tool export query in CSV and XLS / XLSX format
 [![Keep a Changelog v1.1.0 badge](https://img.shields.io/badge/changelog-Keep%20a%20Changelog%20v1.1.0-%23E05735)](CHANGELOG.md) 
 [![Maven Central](https://img.shields.io/maven-central/v/org.fugerit.java/query-export-tool.svg)](https://mvnrepository.com/artifact/org.fugerit.java/query-export-tool)
 [![license](https://img.shields.io/badge/License-Apache%20License%202.0-teal.svg)](https://opensource.org/licenses/Apache-2.0)
+[![code of conduct](https://img.shields.io/badge/conduct-Contributor%20Covenant-purple.svg)](https://github.com/fugerit-org/fj-universe/blob/main/CODE_OF_CONDUCT.md)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=fugerit-org_query-export-tool&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=fugerit-org_query-export-tool)
 [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=fugerit-org_query-export-tool&metric=coverage)](https://sonarcloud.io/summary/new_code?id=fugerit-org_query-export-tool)
 
diff --git a/pom.xml b/pom.xml
index 77daf04..7a78163 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,13 +6,13 @@
 	<parent>
 		<groupId>org.fugerit.java</groupId>
 		<artifactId>fj-bom</artifactId>
-		<version>1.4.0</version>
+		<version>1.4.2</version>
 		<relativePath></relativePath>
 	</parent>
 
 	<artifactId>query-export-tool</artifactId>
 
-	<version>0.4.0</version>
+	<version>0.4.1</version>
 	<packaging>jar</packaging>
 
 	<name>query-export-tool</name>
@@ -89,7 +89,6 @@
 		<dependency>
 		    <groupId>org.slf4j</groupId>
 		    <artifactId>slf4j-simple</artifactId>
-		    <version>2.0.9</version>
 		    <scope>test</scope>
 		</dependency>