diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/AnimationController.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/AnimationController.java
index 943f153..2421755 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/AnimationController.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/AnimationController.java
@@ -40,7 +40,7 @@ public class AnimationController {
     public void load(GeyserModelEnginePackGenerator extension, Animation animation, Entity entity) {
         JsonObject root = new JsonObject();
         json = root;
-        root.addProperty("format_version", "1.10.0");
+        root.addProperty("format_version", "1.20.0");
 
         JsonObject animationControllers = new JsonObject();
         root.add("animation_controllers", animationControllers);
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Entity.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Entity.java
index 35c9095..d2b1a86 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Entity.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Entity.java
@@ -27,7 +27,7 @@ public class Entity {
 
     public static final String TEMPLATE = """
             {
-              "format_version": "1.10.0",
+              "format_version": "1.20.0",
               "minecraft:client_entity": {
                 "description": {
                   "identifier": "%namespace%:%entity_id%",
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java
index 787a2d6..bdad701 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java
@@ -12,7 +12,7 @@ public class PackManifest {
                 "description": "GeyserModelEngine For Geyser",
                 "uuid": "%uuid-1%",
                 "version": [0, 0, 1],
-                "min_engine_version": [ 1, 21, 100 ]
+                "min_engine_version": [1, 21, 100]
               },
               "modules": [
                 {
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/RenderController.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/RenderController.java
index 3f27ff3..d263614 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/RenderController.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/RenderController.java
@@ -24,7 +24,7 @@ public class RenderController {
         List<String> se = new ArrayList<>(bones.keySet());
         Collections.sort(se);
         JsonObject root = new JsonObject();
-        root.addProperty("format_version", "1.8.0");
+        root.addProperty("format_version", "1.20.0");
 
         JsonObject renderControllers = new JsonObject();
         root.add("render_controllers", renderControllers);