diff --git a/fastnoise_noise_params.h b/fastnoise_noise_params.h
index 94b3193..acf8cd6 100644
--- a/fastnoise_noise_params.h
+++ b/fastnoise_noise_params.h
@@ -1,7 +1,13 @@
 #ifndef FASTNOISE_NOISE_PARAMS_H
 #define FASTNOISE_NOISE_PARAMS_H
 
+#include "core/version.h"
+
+#if VERSION_MAJOR > 3
+#include "core/io/resource.h"
+#else
 #include "core/resource.h"
+#endif
 
 #include "noise.h"
 
diff --git a/noise.h b/noise.h
index cf9823f..5b2d0c8 100644
--- a/noise.h
+++ b/noise.h
@@ -1,10 +1,17 @@
 #ifndef FASTNOISE_NOISE_H
 #define FASTNOISE_NOISE_H
 
-#include "core/reference.h"
-#include "lib/FastNoise.h"
+#include "core/version.h"
 
+#if VERSION_MAJOR > 3
+#include "core/object/reference.h"
+#include "core/string/ustring.h"
+#else
+#include "core/reference.h"
 #include "core/ustring.h"
+#endif
+
+#include "lib/FastNoise.h"
 
 #include "core/version.h"
 
diff --git a/register_types.cpp b/register_types.cpp
index b9a0e4f..f18f0f1 100644
--- a/register_types.cpp
+++ b/register_types.cpp
@@ -1,5 +1,12 @@
 #include "register_types.h"
+
+#include "core/version.h"
+
+#if VERSION_MAJOR < 4
 #include "core/class_db.h"
+#else
+#include "core/object/class_db.h"
+#endif
 
 #include "noise.h"
 #include "fastnoise_noise_params.h"