diff --git a/build.gradle.kts b/build.gradle.kts
index b4c3ee4..39813b1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -18,7 +18,7 @@ buildscript {
 }
 
 plugins {
-    id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
+    id("io.github.gradle-nexus.publish-plugin") version "1.3.0"
     id("org.jetbrains.dokka") version "1.5.30"
 }
 
diff --git a/scripts/publish-root.gradle b/scripts/publish-root.gradle
index 2ab8b6f..bede1c6 100644
--- a/scripts/publish-root.gradle
+++ b/scripts/publish-root.gradle
@@ -2,8 +2,8 @@
 ext["signing.keyId"] = ''
 ext["signing.password"] = ''
 ext["signing.key"] = ''
-ext["ossrhUsername"] = ''
-ext["ossrhPassword"] = ''
+ext["centralUsername"] = ''
+ext["centralPassword"] = ''
 ext["sonatypeStagingProfileId"] = ''
 
 File secretPropsFile = project.rootProject.file('local.properties')
@@ -15,24 +15,26 @@ if (secretPropsFile.exists()) {
     p.each { name, value -> ext[name] = value }
 } else {
     // Use system environment variables
-    ext["ossrhUsername"] = System.getenv('OSSRH_USERNAME')
-    ext["ossrhPassword"] = System.getenv('OSSRH_PASSWORD')
+    // For Central Portal, use token as password (username is your Sonatype account username)
+    ext["centralUsername"] = System.getenv('CENTRAL_USERNAME') ?: System.getenv('OSSRH_USERNAME')
+    ext["centralPassword"] = System.getenv('CENTRAL_PASSWORD') ?: System.getenv('OSSRH_PASSWORD')
     ext["sonatypeStagingProfileId"] = System.getenv('SONATYPE_STAGING_PROFILE_ID')
     ext["signing.keyId"] = System.getenv('SIGNING_KEY_ID')
     ext["signing.password"] = System.getenv('SIGNING_PASSWORD')
     ext["signing.key"] = System.getenv('SIGNING_KEY')
 }
 
-// Set up Sonatype repository
+// Set up Central Portal repository
 nexusPublishing {
     repositories {
         sonatype {
             stagingProfileId = sonatypeStagingProfileId
-            username = ossrhUsername
-            password = ossrhPassword
+            username = centralUsername
+            password = centralPassword
 
-            nexusUrl.set(uri("https://s01.oss.sonatype.org/service/local/"))
-            snapshotRepositoryUrl.set(uri("https://s01.oss.sonatype.org/content/repositories/snapshots/"))
+            // Central Portal endpoints
+            nexusUrl.set(uri("https://central.sonatype.com/"))
+            snapshotRepositoryUrl.set(uri("https://central.sonatype.com/content/repositories/snapshots/"))
         }
     }
 }
\ No newline at end of file