diff --git a/changelog.txt b/changelog.txt
index b763c1f..ebdf3cb 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,19 @@
 
+Update v1.4.1 (2.6.2021)
+
+This update finally makes the datapack completely compatible with the new version of Minecraft, so you can now use it on all 1.17 pre release worlds.
+In addition, a few bugs and description errors have been fixed.
+
+Changed:
+- The datapack is now compatible with the 1.17
+- Debug messages improved
+
+Bug fixes:
+- Datapack description
+- Wrong warn message with a incorrect server software
+
+----------------------------------------------------------------
+
 Update v1.4.0 (27.4.2021)
 
 This update actually only changes a few code internal things, but overall improves the quality and usability. 
diff --git a/data/2mal3/functions/admo/core/first_run/main.mcfunction b/data/2mal3/functions/admo/core/first_run/main.mcfunction
index ef80f1a..c174dab 100644
--- a/data/2mal3/functions/admo/core/first_run/main.mcfunction
+++ b/data/2mal3/functions/admo/core/first_run/main.mcfunction
@@ -13,7 +13,7 @@ scoreboard objectives add admo.debug_mode dummy
 # Set start config
 scoreboard players set $transform_chance admo.data 10
 # Set the version in format: xx.xx.xx
-scoreboard players set $version admo.data 010400
+scoreboard players set $version admo.data 010401
 
 # Creates a loaded sign for the datapck somewhere in the world
 forceload add 9232029 6397680
diff --git a/data/2mal3/functions/admo/core/first_run/send_message.mcfunction b/data/2mal3/functions/admo/core/first_run/send_message.mcfunction
index 84f1c9b..ed41700 100644
--- a/data/2mal3/functions/admo/core/first_run/send_message.mcfunction
+++ b/data/2mal3/functions/admo/core/first_run/send_message.mcfunction
@@ -3,4 +3,4 @@
 # Called from function: 2mal3:admo/core/first_run/main
 # Datapack by 2mal3
 
-tellraw @a [{"text":"Advanced Monsters Datapack v1.4.0 by 2mal3 was installed!","color":"blue"}]
+tellraw @a [{"text":"Advanced Monsters Datapack v1.4.1 by 2mal3 was installed!","color":"blue"}]
diff --git a/data/2mal3/functions/admo/core/first_run/update.mcfunction b/data/2mal3/functions/admo/core/first_run/update.mcfunction
index 68c12cb..ea4496d 100644
--- a/data/2mal3/functions/admo/core/first_run/update.mcfunction
+++ b/data/2mal3/functions/admo/core/first_run/update.mcfunction
@@ -4,8 +4,8 @@
 # Datapack by 2mal3
 
 # Output debug message in chat, if enabled
-tellraw @a[scores={admo.debug_mode=3..}] [{"text":"[","color":"gray"},{"text":"AdvancedMonsters","color":"green"},{"text":"/","color":"gray"},{"text":"INFO","color":"green"},{"text":"]: ","color":"gray"},{"text":"Updated datapack!","color":"green"}]
+tellraw @a[scores={admo.debug_mode=3..}] [{"text":"[","color":"gray"},{"text":"AdvancedMonsters","color":"green"},{"text":"/","color":"gray"},{"text":"INFO","color":"green"},{"text":"]: ","color":"gray"},{"text":"Datapack updated","color":"green"}]
 
 
 # Set version variable in format xx.xx.xx
-scoreboard players set .version nola.data 010400
+scoreboard players set .version nola.data 010401
diff --git a/data/2mal3/functions/admo/core/reload.mcfunction b/data/2mal3/functions/admo/core/reload.mcfunction
index 091602e..e5330c0 100644
--- a/data/2mal3/functions/admo/core/reload.mcfunction
+++ b/data/2mal3/functions/admo/core/reload.mcfunction
@@ -12,7 +12,7 @@ scoreboard objectives add admo.data dummy
 
 # Initializes the datapack at the first startup or new version
 execute unless score .first_run admo.data matches 1 run function 2mal3:admo/core/first_run/main
-execute if score .first_run admo.data matches 1 unless score $version admo.data matches 010400 run function 2mal3:admo/core/first_run/update
+execute if score .first_run admo.data matches 1 unless score $version admo.data matches 010401 run function 2mal3:admo/core/first_run/update
 
 # Starts the loops
 schedule function 2mal3:admo/core/loop 1s replace
diff --git a/data/2mal3/functions/admo/core/uninstall/uninstall.mcfunction b/data/2mal3/functions/admo/core/uninstall/uninstall.mcfunction
index 5428251..6fd4566 100644
--- a/data/2mal3/functions/admo/core/uninstall/uninstall.mcfunction
+++ b/data/2mal3/functions/admo/core/uninstall/uninstall.mcfunction
@@ -21,8 +21,8 @@ setblock 9232029 1 6397680 minecraft:stone
 function 2mal3:random/uninstall
 
 # Sends an uninstallation message to all players
-tellraw @a [{"text":"Advanced Monsters Datapack v1.4.0 by 2mal3 was successfully uninstalled."}]
+tellraw @a [{"text":"Advanced Monsters Datapack v1.4.1 by 2mal3 was successfully uninstalled."}]
 
 # Disables the datapack
-datapack disable "file/Advanced-Monsters-Datapack-v1.4.0"
-datapack disable "file/Advanced-Monsters-Datapack-v1.4.0.zip"
+datapack disable "file/Advanced-Monsters-Datapack-v1.4.1"
+datapack disable "file/Advanced-Monsters-Datapack-v1.4.1.zip"
diff --git a/pack.mcmeta b/pack.mcmeta
index 41b7378..f724676 100644
--- a/pack.mcmeta
+++ b/pack.mcmeta
@@ -1,6 +1,6 @@
     {
         "pack": {
             "pack_format": 7,
-            "description": "The Advanced Monsters Datapack v1.4.0 by 2mal3!"
+            "description": "The Advanced Monsters Datapack v1.4.1 by 2mal3!"
         }
     }