diff --git a/core/src/main/java/com/segment/analytics/kotlin/core/Constants.kt b/core/src/main/java/com/segment/analytics/kotlin/core/Constants.kt
index d99efefe..15c47619 100644
--- a/core/src/main/java/com/segment/analytics/kotlin/core/Constants.kt
+++ b/core/src/main/java/com/segment/analytics/kotlin/core/Constants.kt
@@ -1,7 +1,7 @@
 package com.segment.analytics.kotlin.core
 
 object Constants {
-    const val LIBRARY_VERSION = "1.20.0"
+    const val LIBRARY_VERSION = "1.21.0"
     const val DEFAULT_API_HOST = "api.segment.io/v1"
     const val DEFAULT_CDN_HOST = "cdn-settings.segment.com/v1"
 }
diff --git a/gradle.properties b/gradle.properties
index 08db8e59..8c71c7fd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -24,8 +24,8 @@ android.disableAutomaticComponentCreation=true
 # Deployment variables
 GROUP=com.segment.analytics.kotlin
 
-VERSION_CODE=1200
-VERSION_NAME=1.20.0
+VERSION_CODE=1210
+VERSION_NAME=1.21.0
 
 POM_NAME=Segment for Kotlin
 POM_DESCRIPTION=The hassle-free way to add analytics to your Kotlin app.
diff --git a/gradle/promote.gradle b/gradle/promote.gradle
index 646d7f3d..864e3af0 100644
--- a/gradle/promote.gradle
+++ b/gradle/promote.gradle
@@ -30,6 +30,10 @@ nexusPublishing {
                   in system environments
             be sure to set the variable names exactly as above.
          */
-        sonatype()
+        sonatype {
+            // New Portal OSSRH Staging API endpoints
+            nexusUrl.set(uri("https://ossrh-staging-api.central.sonatype.com/service/local/"))
+            snapshotRepositoryUrl.set(uri("https://central.sonatype.com/repository/maven-snapshots/"))
+        }
     }
 }
\ No newline at end of file