diff --git a/assertk/build.gradle.kts b/assertk/build.gradle.kts
index f95cf970..a544e6dd 100644
--- a/assertk/build.gradle.kts
+++ b/assertk/build.gradle.kts
@@ -61,3 +61,14 @@ kotlin {
         }
     }
 }
+
+dependencies {
+    constraints {
+        commonMainImplementation("com.willowtreeapps.assertk:assert:${rootProject.version}") {
+            because("groupId migration")
+        }
+        commonMainApi("com.willowtreeapps.assertk:assert:${rootProject.version}") {
+            because("groupId migration")
+        }
+    }
+}
diff --git a/buildSrc/src/main/kotlin/MigrationHelper.kt b/buildSrc/src/main/kotlin/MigrationHelper.kt
new file mode 100644
index 00000000..a46f09d1
--- /dev/null
+++ b/buildSrc/src/main/kotlin/MigrationHelper.kt
@@ -0,0 +1,20 @@
+import org.gradle.api.Project
+import org.gradle.api.publish.maven.MavenPublication
+
+// Copyright (C) 2018 Vanniktech - Niklas Baudy
+//Licensed under the Apache License, Version 2.0
+fun forMultiplatform(artifactId: String, publication: MavenPublication, project: Project): String {
+    val projectName = project.name
+    return if (publication.artifactId == projectName) {
+        artifactId
+    } else if (publication.artifactId.startsWith("$projectName-")) {
+        // Publications for specific platform targets use derived artifact ids (e.g. library, library-jvm,
+        // library-js) and the suffix needs to be preserved
+        publication.artifactId.replace("$projectName-", "$artifactId-")
+    } else {
+        throw IllegalStateException(
+            "The plugin can't handle the publication ${publication.name} artifactId " +
+                    "${publication.artifactId} in project $projectName",
+        )
+    }
+}
diff --git a/buildSrc/src/main/kotlin/assertk.migration.gradle.kts b/buildSrc/src/main/kotlin/assertk.migration.gradle.kts
new file mode 100644
index 00000000..c3b17acf
--- /dev/null
+++ b/buildSrc/src/main/kotlin/assertk.migration.gradle.kts
@@ -0,0 +1,65 @@
+plugins {
+    `maven-publish`
+    signing
+}
+
+group = "com.willowtreeapps.assertk"
+version = rootProject.version
+
+repositories {
+    mavenCentral()
+}
+
+val emptyJavadocJar by tasks.registering(Jar::class) {
+    archiveClassifier.set("javadoc")
+}
+
+publishing {
+    publications.all {
+        if (this is MavenPublication) {
+            artifact(emptyJavadocJar)
+
+            val siteUrl = "https://github.com/assertk-org/assertk"
+            val gitUrl = "https://github.com/assertk-org/assertk.git"
+
+            pom {
+                name.set(project.name)
+                description.set("Assertions for Kotlin inspired by assertj")
+                url.set(siteUrl)
+
+                scm {
+                    url.set(siteUrl)
+                    connection.set(gitUrl)
+                    developerConnection.set(gitUrl)
+                }
+
+                licenses {
+                    license {
+                        name.set("The Apache Software License, Version 2.0")
+                        url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+                        distribution.set("repo")
+                    }
+                }
+
+                developers {
+                    developer {
+                        id.set("evant")
+                        name.set("Eva Tatarka")
+                    }
+                }
+            }
+        }
+    }
+}
+
+signing {
+    setRequired {
+        findProperty("signing.keyId") != null
+    }
+    publishing.publications.all { sign(this) }
+}
+
+// TODO: remove after https://youtrack.jetbrains.com/issue/KT-46466 is fixed
+project.tasks.withType(AbstractPublishToMaven::class.java).configureEach {
+    dependsOn(project.tasks.withType(Sign::class.java))
+}
\ No newline at end of file
diff --git a/buildSrc/src/main/kotlin/assertk.publish.gradle.kts b/buildSrc/src/main/kotlin/assertk.publish.gradle.kts
index ebe7531e..49270a67 100644
--- a/buildSrc/src/main/kotlin/assertk.publish.gradle.kts
+++ b/buildSrc/src/main/kotlin/assertk.publish.gradle.kts
@@ -18,7 +18,7 @@ tasks.withType<DokkaTask>().configureEach {
             // Set source links to github
             sourceLink {
                 localDirectory.set(file("src"))
-                remoteUrl.set(java.net.URL("https://github.com/willowtreeapps/assertk/tree/v${project.version}/${project.name}/src"))
+                remoteUrl.set(java.net.URL("https://github.com/assertk-org/assertk"))
                 remoteLineSuffix.set("#L")
             }
         }
@@ -42,8 +42,8 @@ publishing {
         if (this is MavenPublication) {
             artifact(dokkaJavadocCommonJar)
 
-            val siteUrl = "https://github.com/willowtreeapps/assertk"
-            val gitUrl = "https://github.com/willowtreeapps/assertk.git"
+            val siteUrl = "https://github.com/assertk-org/assertk"
+            val gitUrl = "https://github.com/assertk-org/assertk.git"
 
             pom {
                 name.set(project.name)
diff --git a/migration/README.md b/migration/README.md
new file mode 100644
index 00000000..513f6e03
--- /dev/null
+++ b/migration/README.md
@@ -0,0 +1 @@
+Empty artifact for migrating from com.willowtreeaps.assertk to org.assertk
\ No newline at end of file
diff --git a/migration/assertk-coroutines/build.gradle.kts b/migration/assertk-coroutines/build.gradle.kts
new file mode 100644
index 00000000..74daaa1c
--- /dev/null
+++ b/migration/assertk-coroutines/build.gradle.kts
@@ -0,0 +1,26 @@
+plugins {
+    id("assertk.multiplatform")
+    id("assertk.migration")
+}
+
+repositories {
+    mavenLocal()
+}
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation("org.assertk:assertk:${rootProject.version}")
+            }
+        }
+    }
+}
+
+publishing {
+    publications.all {
+        if (this is MavenPublication) {
+            artifactId = forMultiplatform("assertk-coroutines", this, project)
+        }
+    }
+}
\ No newline at end of file
diff --git a/migration/assertk-coroutines/src/commonMain/kotlin/assertk/MigrationCoroutines.kt b/migration/assertk-coroutines/src/commonMain/kotlin/assertk/MigrationCoroutines.kt
new file mode 100644
index 00000000..880c6084
--- /dev/null
+++ b/migration/assertk-coroutines/src/commonMain/kotlin/assertk/MigrationCoroutines.kt
@@ -0,0 +1 @@
+package assertk
diff --git a/migration/assertk/build.gradle.kts b/migration/assertk/build.gradle.kts
new file mode 100644
index 00000000..6da5d8e8
--- /dev/null
+++ b/migration/assertk/build.gradle.kts
@@ -0,0 +1,26 @@
+plugins {
+    id("assertk.multiplatform")
+    id("assertk.migration")
+}
+
+repositories {
+    mavenLocal()
+}
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation("org.assertk:assertk:${rootProject.version}")
+            }
+        }
+    }
+}
+
+publishing {
+    publications.all {
+        if (this is MavenPublication) {
+            artifactId = forMultiplatform("assertk", this, project)
+        }
+    }
+}
diff --git a/migration/assertk/src/commonMain/kotlin/assertk/Migration.kt b/migration/assertk/src/commonMain/kotlin/assertk/Migration.kt
new file mode 100644
index 00000000..880c6084
--- /dev/null
+++ b/migration/assertk/src/commonMain/kotlin/assertk/Migration.kt
@@ -0,0 +1 @@
+package assertk
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 97fb29f1..af7a9557 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -11,4 +11,9 @@ rootProject.name = "assertk-project"
 include(
     ":assertk",
     ":assertk-coroutines",
-)
\ No newline at end of file
+    ":migration-assertk",
+    ":migration-assertk-coroutines"
+)
+
+project(":migration-assertk").projectDir = file("migration/assertk")
+project(":migration-assertk-coroutines").projectDir = file("migration/assertk-coroutines")