Adam S's changes just moved across.

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    alias(libs.plugins.androidLibrary).apply(false)
-    alias(libs.plugins.kotlinMultiplatform).apply(false)
-    alias(libs.plugins.publish) apply false
-}
+    alias(libs.plugins.androidLibrary) apply false
+    alias(libs.plugins.kotlinMultiplatform) apply  false
+    alias(libs.plugins.vanniktech.mavenPublish) apply false
+}

fibonacci/build.gradle.kts

@@ -2,15 +2,15 @@ import com.vanniktech.maven.publish.SonatypeHost
 import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
-group = "io.github.kotlin-hands-on"
-version = "1.0.8"
-
 plugins {
     alias(libs.plugins.kotlinMultiplatform)
     alias(libs.plugins.androidLibrary)
-    alias(libs.plugins.publish)
+    alias(libs.plugins.vanniktech.mavenPublish)
 }
 
+group = "io.github.kotlin-hands-on"
+version = "1.0.8"
+
 kotlin {
     jvm()
     androidTarget {
@@ -52,7 +52,7 @@ mavenPublishing {
 
     signAllPublications()
 
-    coordinates("io.github.kotlin-hands-on", "fibonacci", "1.0.8")
+    coordinates(group.toString(), "fibonacci", version.toString())
 
     pom {
         name = "Fibonacci library"

gradle/libs.versions.toml

@@ -7,9 +7,8 @@ android-compileSdk = "34"
 
 [libraries]
 kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
-nexus-publish = { module = "io.github.gradle-nexus.publish-plugin:io.github.gradle-nexus.publish-plugin.gradle.plugin", version.ref = "nexus-publish" }
 
 [plugins]
 androidLibrary = { id = "com.android.library", version.ref = "agp" }
 kotlinMultiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
-publish = { id = "com.vanniktech.maven.publish", version = "0.29.0" }
+vanniktech-mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.29.0" }