diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c9ecfb..6f22388 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
-## [0.0.1](https://github.com/PAYONE-GmbH/PCP-ServerSDK-java/compare/v0.0.2...v0.0.1) (2024-08-21)
+# [1.0.0](https://github.com/PAYONE-GmbH/PCP-ServerSDK-java/compare/v0.0.3...v1.0.0) (2024-08-22)
+
+### Documentation
+
+* docs: add contributing guidelines and update readme ([c9c7210c6b7655761851ff5564c09ad10c6a0b4a](https://github.com/PAYONE-GmbH/PCP-ServerSDK-java/commit/c9c7210c6b7655761851ff5564c09ad10c6a0b4a))
+
+## [0.0.3](https://github.com/PAYONE-GmbH/PCP-ServerSDK-java/compare/v0.0.2...v0.0.3) (2024-08-21)
 
 ### Bug Fixes
 
diff --git a/README.md b/README.md
index 38a7e0d..1c59af8 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Welcome to the Java SDK for the PAYONE Commerce Platform! This repository contai
 
 ```groovy
 dependencies {
-    implementation group: 'io.github.payone-gmbh', name: 'pcp-serversdk-java', version: '0.0.3'
+    implementation group: 'io.github.payone-gmbh', name: 'pcp-serversdk-java', version: '1.0.0'
 }
 ```
 
diff --git a/lib/build.gradle b/lib/build.gradle
index c53821b..afdb9d8 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -23,7 +23,7 @@ if (JavaVersion.current().majorVersion != '8') {
    apply plugin: 'org.sonarqube'
 }
 
-version = '0.0.3'
+version = '1.0.0'
 
 repositories {
     mavenCentral()
diff --git a/lib/src/main/java/com/payone/commerce/platform/lib/utils/ServerMetaInfo.java b/lib/src/main/java/com/payone/commerce/platform/lib/utils/ServerMetaInfo.java
index e07c503..a6cc3f2 100644
--- a/lib/src/main/java/com/payone/commerce/platform/lib/utils/ServerMetaInfo.java
+++ b/lib/src/main/java/com/payone/commerce/platform/lib/utils/ServerMetaInfo.java
@@ -18,7 +18,7 @@ public static ServerMetaInfo withDefaults(String integrator) {
         return new ServerMetaInfo()
                 .platformIdentifier(String.format("%s, java version is: %s", System.getProperty("os.name"),
                         System.getProperty("java.version")))
-                .sdkIdentifier("JavaServerSDK/v0.0.3")
+                .sdkIdentifier("JavaServerSDK/v1.0.0")
                 .sdkCreator("PAYONE GmbH")
                 .integrator(integrator);
     }
diff --git a/package-lock.json b/package-lock.json
index 400a82b..c3e6e14 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "pcp-serversdk-java",
-  "version": "0.0.3",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "pcp-serversdk-java",
-      "version": "0.0.3",
+      "version": "1.0.0",
       "devDependencies": {
         "@commitlint/cli": "19.4.0",
         "@commitlint/config-conventional": "19.2.2",
diff --git a/package.json b/package.json
index a6000ac..cef06b2 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,9 @@
 {
   "name": "pcp-serversdk-java",
-  "version": "0.0.3",
+  "version": "1.0.0",
   "type": "commonjs",
   "scripts": {
-    "changelog": "conventional-changelog -i CHANGELOG.md -s -r 0 --config ./changelog.config.js"
+    "changelog": "conventional-changelog -i CHANGELOG.md -s --config ./changelog.config.js"
   },
   "repository": {
     "type": "git",
diff --git a/prepare-release.sh b/prepare-release.sh
index 86ae971..e5d7f46 100755
--- a/prepare-release.sh
+++ b/prepare-release.sh
@@ -42,14 +42,19 @@ jq --arg version "$VERSION" '
   .version = $version |
   .packages[""].version = $version
 ' package-lock.json >tmp.json && mv tmp.json package-lock.json
+rm -f tmp.json
 
 git add $BUILD_GRADLE_PATH
 git add $SERVER_META_INFO_PATH
 git add $README_PATH
 git add $PACKAGE_JSON_PATH
 git add $PACKAGE_LOCK_JSON_PATH
+npm install
+npm run changelog
+git add CHANGELOG.md
+git tag -a v$NEW_VERSION -m "Version $NEW_VERSION"
 git commit -m "Update version to $VERSION"
-git tag -a $TAG -m "Release version $VERSION"
-git push origin $TAG
+git push origin tag v$NEW_VERSION
+git push origin HEAD
 
 echo "Version updated to $VERSION and tagged in Git."