diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 532602d..4c4f715 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -18,7 +18,13 @@ jobs:
           distribution: 'temurin'
           java-version: 17
       - name: Publish
+        run: |
+          NEW_VERSION=$(echo "${GITHUB_REF}" | cut -d "/" -f3)
+          echo "New version: ${NEW_VERSION}"
+          export ORG_GRADLE_PROJECT_VERSION_NAME=${NEW_VERSION}
+          ./gradlew publish --stacktrace
         env:
-          MAVEN_USER: ${{ secrets.MAVEN_USER }}
-          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
-        run: ./gradlew publish
+          ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.ORG_GRADLE_PROJECT_mavenCentralUsername }}
+          ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.ORG_GRADLE_PROJECT_mavenCentralPassword }}
+          ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.ORG_GRADLE_PROJECT_signingInMemoryKey }}
+          ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.ORG_GRADLE_PROJECT_signingInMemoryKeyPassword }}
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index f16b5e6..fd610a5 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -81,11 +81,9 @@ tasks.named<Test>("jvmTest") {
 }
 
 mavenPublishing {
-    publishToMavenCentral(SonatypeHost.DEFAULT, true)
+    publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL, true)
     signAllPublications()
 
-    coordinates("de.frederikbertling.kosc", "core", "0.1.0")
-
     pom {
         name.set("kOSC core library")
         description.set("OSC implementation for kotlin multiplatform")
diff --git a/udp/build.gradle.kts b/udp/build.gradle.kts
index 8fe8a03..e612ac6 100644
--- a/udp/build.gradle.kts
+++ b/udp/build.gradle.kts
@@ -83,12 +83,10 @@ tasks.named<Test>("jvmTest") {
 }
 
 mavenPublishing {
-    publishToMavenCentral(SonatypeHost.DEFAULT, true)
+    publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL, true)
 
     signAllPublications()
 
-    coordinates("de.frederikbertling.kosc", "udp", "0.1.0")
-
     pom {
         name.set("kOSC UDP server and client implementation")
         description.set("OSC over UDP implementation for kotlin multiplatform")
diff --git a/udp/src/commonTest/kotlin/de.frederikbertling.kosc.udp.test/OSCUDPSocketTest.kt b/udp/src/commonTest/kotlin/de.frederikbertling.kosc.udp.test/OSCUDPSocketTest.kt
index b35d4f9..6b5a7dc 100644
--- a/udp/src/commonTest/kotlin/de.frederikbertling.kosc.udp.test/OSCUDPSocketTest.kt
+++ b/udp/src/commonTest/kotlin/de.frederikbertling.kosc.udp.test/OSCUDPSocketTest.kt
@@ -20,7 +20,7 @@ class OSCUDPSocketTest : StringSpec() {
 
     init {
         "OSCUDPSocket test #1" {
-            val port = Random.nextInt(8080..30000)
+            val port = Random.nextInt(8080..8090)
             val listener = OSCUDPSocket(port)
             val client = OSCUDPSocket("localhost", port)
             testClient(client, listener)
@@ -29,7 +29,7 @@ class OSCUDPSocketTest : StringSpec() {
         }
 
         "OSCUDPSocket test #2" {
-            val port = Random.nextInt(8080..30000)
+            val port = Random.nextInt(8080..8090)
             val listener = OSCUDPSocket(port)
             val client = OSCUDPSocket(InetSocketAddress("localhost", port))
             testClient(client, listener)
@@ -38,14 +38,14 @@ class OSCUDPSocketTest : StringSpec() {
         }
 
         "OSCUDPSocket test #3" {
-            val port = Random.nextInt(8080..30000)
+            val port = Random.nextInt(8080..8090)
             val listenerClient = OSCUDPSocket("localhost", port, port)
             testClient(listenerClient, listenerClient)
             listenerClient.close()
         }
 
         "OSCUDPSocket test #4" {
-            val port = Random.nextInt(8080..30000)
+            val port = Random.nextInt(8080..8090)
             val listenerClient = OSCUDPSocket(
                 localAddress = InetSocketAddress("localhost", port),
                 remoteAddress = InetSocketAddress("localhost", port)