diff --git a/tools/publish.gradle b/tools/publish.gradle
index d6c12749e..0a891708d 100644
--- a/tools/publish.gradle
+++ b/tools/publish.gradle
@@ -6,7 +6,7 @@ if (file("github_credentials.properties").file) {
 }
 
 def getVersionName = { ->
-    return "3.4.0"
+    return "4.0.0"
 }
 
 def getGroupId = { ->