diff --git a/CHANGELOG b/CHANGELOG
index 2222f336a..c2a7f9b1d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+Version 5.0.0-alpha.1 (2022-11-30)
+--------------------------
+Migrate published API to Kotlin (#561)
+
 Version 4.1.0 (2022-11-16)
 --------------------------
 Anonymise previous session ID and user identifiers in subject when user anonymisation is enabled (#549)
diff --git a/VERSION b/VERSION
index ee74734aa..5d200d543 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.1.0
+5.0.0-alpha.1
diff --git a/build.gradle b/build.gradle
index 1bedc50fa..76319256a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,7 +20,7 @@ buildscript {
 
 subprojects {
     group = 'com.snowplowanalytics'
-    version = '4.1.0'
+    version = '5.0.0-alpha.1'
     repositories {
         google()
         maven {
diff --git a/gradle.properties b/gradle.properties
index 8738c47cc..70efb700f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -30,7 +30,7 @@ systemProp.org.gradle.internal.http.socketTimeout=120000
 SONATYPE_STAGING_PROFILE=comsnowplowanalytics
 GROUP=com.snowplowanalytics
 POM_ARTIFACT_ID=snowplow-android-tracker
-VERSION_NAME=4.1.0
+VERSION_NAME=5.0.0-alpha.1
 
 POM_NAME=snowplow-android-tracker
 POM_PACKAGING=aar