diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index ebfb948..71539e0 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -13,28 +13,25 @@ on:
   pull_request:
     branches: [ develop ]
 
-permissions:
-  contents: read
-
 jobs:
   build:
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK 11
-      uses: actions/setup-java@v3
-      with:
-        java-version: '11'
-        distribution: 'temurin'
-    - name: Build with Gradle
-      uses: gradle/gradle-build-action@v2.8.0
-      with:
-        arguments: build
-      env:
-        ossrhUsername: ${{secrets.OSSRHUSERNAME}}
-        ossrhPassword: ${{secrets.OSSRHPASSWORD}}
-    - uses: codecov/codecov-action@v2
-      with:
-        token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
+      - uses: actions/checkout@v3
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2.8.0
+        with:
+          arguments: build
+        env:
+          ossrhUsername: ${{secrets.OSSRHUSERNAME}}
+          ossrhPassword: ${{secrets.OSSRHPASSWORD}}
+      - uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
diff --git a/build.gradle b/build.gradle
index ca787d5..08ce9c2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,7 +35,9 @@ apply from: "gradle/publishing.gradle"
 apply from: "gradle/repositories.gradle"
 apply from: "gradle/testing.gradle"
 
-sourceCompatibility = "$projectSourceCompatibility" as Object
+java {
+    sourceCompatibility = "$projectSourceCompatibility" as Object
+}
 
 tasks.withType(JavaCompile) {
     options.encoding = "UTF-8"
diff --git a/gradle.properties b/gradle.properties
index 92aee36..3ece275 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@
 ######################
 projectVersion=9.1-SNAPSHOT
 groupPackage=io.github.astrapi69
-projectSourceCompatibility=11
+projectSourceCompatibility=17
 projectInceptionYear=2015
 projectHolderUsername=astrapi69
 projectLeaderName=Asterios Raptis
@@ -28,28 +28,28 @@ projectRepositoriesPasswordKey=ossrhPassword
 ###########################
 # gradle-plugins versions #
 ###########################
-gradlePluginVersionsVersion=0.47.0
+gradlePluginVersionsVersion=0.48.0
 licenseGradlePluginVersion=0.16.1
 grgitGradlePluginVersion=5.2.0
-spotlessGradlePluginVersion=6.20.0
+spotlessGradlePluginVersion=6.21.0
 #########################
 # dependencies versions #
 #########################
 jobjCoreVersion=7.1
 jobjReflectVersion=1
-sillyCollectionVersion=21
-vintageTimeVersion=5.4
+sillyCollectionVersion=27
+vintageTimeVersion=6
 sillyMathVersion=2.2
-jobjCopyVersion=3.7
+jobjCopyVersion=4
 ##############################
 # test dependencies versions #
 ##############################
-commonsLang3Version=3.12.0
+commonsLang3Version=3.13.0
 sillyStringsVersion=8.2
 meanbeanVersion=2.0.3
 testngVersion=7.8.0
 testObjectVersion=7.2
-equalsverifierVersion=3.15
+equalsverifierVersion=3.15.1
 ##########################
 # for deploy on sonatype #
 ##########################
diff --git a/gradle/formatting.gradle b/gradle/formatting.gradle
index e0a5ae9..853e80c 100644
--- a/gradle/formatting.gradle
+++ b/gradle/formatting.gradle
@@ -11,6 +11,8 @@ spotless {
         endWithNewline()
     }
     java {
-        eclipse("4.19.0").configFile("src/test/resources/alpharo-formatter.xml")
+        // export config file: https://github.com/diffplug/spotless/blob/main/ECLIPSE_SCREENSHOTS.md#creating-spotlessimportorder
+        importOrderFile('src/test/resources/spotless/importorder.properties') // import order file as exported from eclipse
+        eclipse("4.21").configFile("src/test/resources/spotless/alpharo-formatter.xml")
     }
 }
diff --git a/gradle/publishing.gradle b/gradle/publishing.gradle
index 8487f9d..7e1b228 100644
--- a/gradle/publishing.gradle
+++ b/gradle/publishing.gradle
@@ -8,7 +8,9 @@ task sourcesJar(type: Jar) {
 task javadocJar(type: Jar) {
     from javadoc
     archiveClassifier.set("javadoc")
-    javadoc.properties.failOnError = true
+    javadoc {
+        failOnError = false
+    }
 }
 
 javadoc {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 151b34a..f1d866b 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 #Wed Jan 22 15:59:51 CET 2020
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
new file mode 100644
index 0000000..db542ca
--- /dev/null
+++ b/src/main/java/module-info.java
@@ -0,0 +1,10 @@
+module randomizer.main
+{
+	requires java.desktop;
+	requires silly.collection;
+	requires jobj.core.main;
+	requires jobj.reflect.main;
+	requires jobj.copy.main;
+	requires silly.math;
+	requires vintage.time.main;
+}
\ No newline at end of file
diff --git a/src/test/java/io/github/astrapi69/random/SecureRandomBeanTest.java b/src/test/java/io/github/astrapi69/random/SecureRandomBeanTest.java
index ec92880..4ca696b 100644
--- a/src/test/java/io/github/astrapi69/random/SecureRandomBeanTest.java
+++ b/src/test/java/io/github/astrapi69/random/SecureRandomBeanTest.java
@@ -26,11 +26,11 @@
 
 import static org.testng.Assert.assertNotNull;
 
-import nl.jqno.equalsverifier.EqualsVerifier;
-
 import org.meanbean.test.BeanTester;
 import org.testng.annotations.Test;
 
+import nl.jqno.equalsverifier.EqualsVerifier;
+
 /**
  * The unit test class for the class {@link SecureRandomBean}
  */
diff --git a/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryParameterizedTest.java b/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryParameterizedTest.java
index eb06a9e..b192e36 100644
--- a/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryParameterizedTest.java
+++ b/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryParameterizedTest.java
@@ -24,7 +24,10 @@
  */
 package io.github.astrapi69.random.object;
 
+import static org.testng.AssertJUnit.assertNotNull;
+
 import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
 
 import io.github.astrapi69.test.object.A;
 import io.github.astrapi69.test.object.AlgorithmModel;
@@ -48,9 +51,6 @@
 import io.github.astrapi69.test.object.auth.Role;
 import io.github.astrapi69.test.object.auth.Roles;
 import io.github.astrapi69.test.object.exception.ExceptionEvent;
-import org.testng.annotations.Test;
-
-import static org.testng.AssertJUnit.assertNotNull;
 
 /**
  * The unit test class for the class {@link RandomObjectFactory}
diff --git a/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryTest.java b/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryTest.java
index cfc57e4..d3cf9a6 100644
--- a/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryTest.java
+++ b/src/test/java/io/github/astrapi69/random/object/RandomObjectFactoryTest.java
@@ -40,8 +40,6 @@
 import java.util.Set;
 import java.util.UUID;
 
-import io.github.astrapi69.test.object.Employee;
-import io.github.astrapi69.test.object.EmployeeList;
 import org.apache.commons.lang3.ArrayUtils;
 import org.meanbean.test.BeanTester;
 import org.testng.annotations.Test;
@@ -49,6 +47,8 @@
 import io.github.astrapi69.collection.list.ListFactory;
 import io.github.astrapi69.math.MathExtensions;
 import io.github.astrapi69.random.enums.RandomAlgorithm;
+import io.github.astrapi69.test.object.Employee;
+import io.github.astrapi69.test.object.EmployeeList;
 import io.github.astrapi69.test.object.Person;
 import io.github.astrapi69.test.object.PrimitiveArrays;
 import io.github.astrapi69.test.object.enumtype.Gender;
diff --git a/src/test/resources/alpharo-formatter.xml b/src/test/resources/spotless/alpharo-formatter.xml
similarity index 100%
rename from src/test/resources/alpharo-formatter.xml
rename to src/test/resources/spotless/alpharo-formatter.xml
diff --git a/src/test/resources/spotless/importorder.properties b/src/test/resources/spotless/importorder.properties
new file mode 100644
index 0000000..3f8b21e
--- /dev/null
+++ b/src/test/resources/spotless/importorder.properties
@@ -0,0 +1,6 @@
+#Organize Import Order
+#Fri Dec 02 17:15:08 CET 2022
+0=java
+1=javax
+2=org
+3=com