diff --git a/pom.xml b/pom.xml
index ac80278..ca3beb8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,13 +36,13 @@
 		<powermock.version>2.0.2</powermock.version>
 		<!-- More visible way how to change dependency versions -->
 		<spigot.version>1.15.2-R0.1-SNAPSHOT</spigot.version>
-		<bentobox.version>1.14.0-SNAPSHOT</bentobox.version>
+		<bentobox.version>1.14.0</bentobox.version>
 		<level.version>1.6.0</level.version>
 		<vault.version>1.7</vault.version>
 		<!-- Revision variable removes warning about dynamic version -->
 		<revision>${build.version}-SNAPSHOT</revision>
 		<!-- This allows to change between versions and snapshots. -->
-		<build.version>0.9.0</build.version>
+		<build.version>0.8.3</build.version>
 		<build.number>-LOCAL</build.number>
 	</properties>
 
diff --git a/src/main/java/world/bentobox/challenges/utils/HeadLib.java b/src/main/java/world/bentobox/challenges/utils/HeadLib.java
index 066f75b..d08b06e 100644
--- a/src/main/java/world/bentobox/challenges/utils/HeadLib.java
+++ b/src/main/java/world/bentobox/challenges/utils/HeadLib.java
@@ -113,7 +113,13 @@ public enum HeadLib
 	TRADER_LLAMA("47dbdab5-105f-42bc-9580-c61cee9231f3", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNzA4N2E1NTZkNGZmYTk1ZWNkMjg0NGYzNTBkYzQzZTI1NGU1ZDUzNWZhNTk2ZjU0MGQ3ZTc3ZmE2N2RmNDY5NiJ9fX0="),
 	WANDERING_TRADER("943947ea-3e1a-4fdc-85e5-f538379f05e9", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNWYxMzc5YTgyMjkwZDdhYmUxZWZhYWJiYzcwNzEwZmYyZWMwMmRkMzRhZGUzODZiYzAwYzkzMGM0NjFjZjkzMiJ9fX0="),
  	// Since 1.15
-	BEE("77342662-8870-445a-869f-f0aef1406b3d", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTlhYzE2ZjI5NmI0NjFkMDVlYTA3ODVkNDc3MDMzZTUyNzM1OGI0ZjMwYzI2NmFhMDJmMDIwMTU3ZmZjYTczNiJ9fX0=");
+	BEE("77342662-8870-445a-869f-f0aef1406b3d", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTlhYzE2ZjI5NmI0NjFkMDVlYTA3ODVkNDc3MDMzZTUyNzM1OGI0ZjMwYzI2NmFhMDJmMDIwMTU3ZmZjYTczNiJ9fX0="),
+	// Since 1.16
+	PIGLIN("7b3f9b15-325b-4d6e-a184-0455e233a1cc", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvY2NlZDlkODAxYWE2ZjgzZjhlNDlmOTBkOWE4Yjg1YjdmOGZkYTU4M2Q4NWY3MmNmZmI2OTg2NzI1Nzg5ZjYzNiJ9fX0="),
+	ZOMBIFIED_PIGLIN("4f013cfb-84f8-4d80-8529-25127f6c70ee", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvN2VhYmFlY2M1ZmFlNWE4YTQ5Yzg4NjNmZjQ4MzFhYWEyODQxOThmMWEyMzk4ODkwYzc2NWUwYThkZTE4ZGE4YyJ9fX0="),
+	STRIDER("d1c2fba9-6633-4625-9cda-8528fae6fe09", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMThhOWFkZjc4MGVjN2RkNDYyNWM5YzA3NzkwNTJlNmExNWE0NTE4NjY2MjM1MTFlNGM4MmU5NjU1NzE0YjNjMSJ9fX0="),
+	HOGLIN("8196c240-e96a-4434-b630-6b191ceeb480", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOWJiOWJjMGYwMWRiZDc2MmEwOGQ5ZTc3YzA4MDY5ZWQ3Yzk1MzY0YWEzMGNhMTA3MjIwODU2MWI3MzBlOGQ3NSJ9fX0="),
+	ZOGLIN("d6f4e7ce-dc71-4c81-97dc-df0d15d39a68", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNWZhMGFkYTM0MTFmYmE4Yjg4NTgzZDg2NGIyNTI2MDZlOTNkZmRmNjQ3NjkwZDNjZjRjMDE3YjYzYmFiMTJiMCJ9fX0=");
 
 
 // ---------------------------------------------------------------------