diff --git a/.github/workflows/test_builds.yml b/.github/workflows/test_builds.yml
index b316038..f8580d0 100644
--- a/.github/workflows/test_builds.yml
+++ b/.github/workflows/test_builds.yml
@@ -20,7 +20,7 @@ on:
 
 # Global settings
 env:
-  GODOT_TREEISH: 4.1.1-stable
+  GODOT_TREEISH: master
   SCONSFLAGS: verbose=yes warnings=extra werror=yes
   SCONS_CACHE_LIMIT: 7168
   DOTNET_NOLOGO: true
diff --git a/demo/project.godot b/demo/project.godot
index 61bb6be..f100ae9 100644
--- a/demo/project.godot
+++ b/demo/project.godot
@@ -12,7 +12,7 @@ config_version=5
 
 config/name="LimboAI Test"
 run/main_scene="res://examples/waypoints/example_waypoints.tscn"
-config/features=PackedStringArray("4.1")
+config/features=PackedStringArray("4.2")
 config/icon="res://icon.png"
 
 [gui]
diff --git a/editor/debugger/behavior_tree_data.cpp b/editor/debugger/behavior_tree_data.cpp
index 04b79d7..77438b4 100644
--- a/editor/debugger/behavior_tree_data.cpp
+++ b/editor/debugger/behavior_tree_data.cpp
@@ -11,6 +11,7 @@
 
 #include "behavior_tree_data.h"
 
+#include "core/object/script_language.h"
 #include "core/templates/list.h"
 
 //// BehaviorTreeData
diff --git a/editor/debugger/behavior_tree_view.h b/editor/debugger/behavior_tree_view.h
index e825a5b..dd46032 100644
--- a/editor/debugger/behavior_tree_view.h
+++ b/editor/debugger/behavior_tree_view.h
@@ -20,7 +20,7 @@
 #include "core/object/object.h"
 #include "scene/gui/control.h"
 #include "scene/gui/tree.h"
-#include "scene/resources/style_box.h"
+#include "scene/resources/style_box_flat.h"
 #include "scene/resources/texture.h"
 
 class BehaviorTreeView : public Control {
diff --git a/editor/task_tree.cpp b/editor/task_tree.cpp
index f5ed104..4cbdcb7 100644
--- a/editor/task_tree.cpp
+++ b/editor/task_tree.cpp
@@ -15,6 +15,7 @@
 #include "modules/limboai/bt/tasks/composites/bt_probability_selector.h"
 #include "modules/limboai/util/limbo_utility.h"
 
+#include "core/object/script_language.h"
 #include "editor/editor_scale.h"
 
 //**** TaskTree
diff --git a/editor/task_tree.h b/editor/task_tree.h
index a8f611d..bd44b2f 100644
--- a/editor/task_tree.h
+++ b/editor/task_tree.h
@@ -13,7 +13,7 @@
 
 #include "scene/gui/control.h"
 #include "scene/gui/tree.h"
-#include "scene/resources/style_box.h"
+#include "scene/resources/style_box_flat.h"
 
 class TaskTree : public Control {
 	GDCLASS(TaskTree, Control);
diff --git a/tests/test_await_animation.h b/tests/test_await_animation.h
index 17312a9..00831db 100644
--- a/tests/test_await_animation.h
+++ b/tests/test_await_animation.h
@@ -29,7 +29,7 @@ namespace TestAwaitAnimation {
 TEST_CASE("[SceneTree][LimboAI] BTAwaitAnimation") {
 	AnimationPlayer *player = memnew(AnimationPlayer);
 	SceneTree::get_singleton()->get_root()->add_child(player);
-	player->set_process_callback(AnimationPlayer::AnimationProcessCallback::ANIMATION_PROCESS_IDLE);
+	player->set_callback_mode_process(AnimationMixer::ANIMATION_CALLBACK_MODE_PROCESS_IDLE);
 
 	Ref<AnimationLibrary> anim_lib = memnew(AnimationLibrary);
 	Ref<Animation> anim = memnew(Animation);
diff --git a/tests/test_pause_animation.h b/tests/test_pause_animation.h
index a6bc775..41731bf 100644
--- a/tests/test_pause_animation.h
+++ b/tests/test_pause_animation.h
@@ -27,7 +27,7 @@ namespace TestPauseAnimation {
 TEST_CASE("[SceneTree][LimboAI] BTPauseAnimation") {
 	AnimationPlayer *player = memnew(AnimationPlayer);
 	SceneTree::get_singleton()->get_root()->add_child(player);
-	player->set_process_callback(AnimationPlayer::AnimationProcessCallback::ANIMATION_PROCESS_IDLE);
+	player->set_callback_mode_process(AnimationMixer::ANIMATION_CALLBACK_MODE_PROCESS_IDLE);
 
 	Ref<AnimationLibrary> anim_lib = memnew(AnimationLibrary);
 	Ref<Animation> anim = memnew(Animation);
diff --git a/tests/test_play_animation.h b/tests/test_play_animation.h
index 93e38bf..58061d4 100644
--- a/tests/test_play_animation.h
+++ b/tests/test_play_animation.h
@@ -27,7 +27,7 @@ namespace TestPlayAnimation {
 TEST_CASE("[SceneTree][LimboAI] BTPlayAnimation") {
 	AnimationPlayer *player = memnew(AnimationPlayer);
 	SceneTree::get_singleton()->get_root()->add_child(player);
-	player->set_process_callback(AnimationPlayer::AnimationProcessCallback::ANIMATION_PROCESS_IDLE);
+	player->set_callback_mode_process(AnimationMixer::ANIMATION_CALLBACK_MODE_PROCESS_IDLE);
 
 	Ref<AnimationLibrary> anim_lib = memnew(AnimationLibrary);
 	Ref<Animation> anim = memnew(Animation);
diff --git a/tests/test_stop_animation.h b/tests/test_stop_animation.h
index 6778032..ad88477 100644
--- a/tests/test_stop_animation.h
+++ b/tests/test_stop_animation.h
@@ -27,7 +27,7 @@ namespace TestStopAnimation {
 TEST_CASE("[SceneTree][LimboAI] BTStopAnimation") {
 	AnimationPlayer *player = memnew(AnimationPlayer);
 	SceneTree::get_singleton()->get_root()->add_child(player);
-	player->set_process_callback(AnimationPlayer::AnimationProcessCallback::ANIMATION_PROCESS_IDLE);
+	player->set_callback_mode_process(AnimationMixer::ANIMATION_CALLBACK_MODE_PROCESS_IDLE);
 
 	Ref<AnimationLibrary> anim_lib = memnew(AnimationLibrary);
 	Ref<Animation> anim = memnew(Animation);
diff --git a/util/limbo_utility.cpp b/util/limbo_utility.cpp
index 6b0c8fa..bf819be 100644
--- a/util/limbo_utility.cpp
+++ b/util/limbo_utility.cpp
@@ -13,6 +13,7 @@
 
 #include "modules/limboai/bt/tasks/bt_task.h"
 
+#include "core/object/script_language.h"
 #include "core/variant/variant.h"
 #include "scene/resources/texture.h"