diff --git a/extern/draco/src/encoder.cpp b/extern/draco/src/encoder.cpp
index 34282ced8c6..ac7bf65475f 100644
--- a/extern/draco/src/encoder.cpp
+++ b/extern/draco/src/encoder.cpp
@@ -222,7 +222,7 @@ draco::DataType getDataType(size_t componentType)
 }
 
 API(uint32_t)
-encoderSetAttribute(Encoder *encoder, char *attributeName, size_t componentType, char *dataType, void *data)
+encoderSetAttribute(Encoder *encoder, char *attributeName, size_t componentType, char *dataType, void *data, bool normalized)
 {
     auto buffer = std::make_unique<draco::DataBuffer>();
     uint32_t count = encoder->mesh.num_points();
@@ -232,7 +232,7 @@ encoderSetAttribute(Encoder *encoder, char *attributeName, size_t componentType,
 
     draco::GeometryAttribute::Type semantics = getAttributeSemantics(attributeName);
     draco::GeometryAttribute attribute;
-    attribute.Init(semantics, &*buffer, componentCount, getDataType(componentType), false, stride, 0);
+    attribute.Init(semantics, &*buffer, componentCount, getDataType(componentType), normalized, stride, 0);
 
     auto id = static_cast<uint32_t>(encoder->mesh.AddAttribute(attribute, true, count));
     auto dataBytes = reinterpret_cast<uint8_t *>(data);
diff --git a/extern/draco/src/encoder.h b/extern/draco/src/encoder.h
index c6fdc30295b..d867a7e5d86 100644
--- a/extern/draco/src/encoder.h
+++ b/extern/draco/src/encoder.h
@@ -53,7 +53,7 @@ API(void)
 encoderSetIndices(Encoder *encoder, size_t indexComponentType, uint32_t indexCount, void *indices);
 
 API(uint32_t)
-encoderSetAttribute(Encoder *encoder, char *attributeName, size_t componentType, char *dataType, void *data);
+encoderSetAttribute(Encoder *encoder, char *attributeName, size_t componentType, char *dataType, void *data, bool normalized);
 
 API(uint32_t)
 encoderGetEncodedVertexCount(Encoder *encoder);
diff --git a/scripts/addons_core/io_scene_gltf2/__init__.py b/scripts/addons_core/io_scene_gltf2/__init__.py
index 7eaf49779f1..a08a81fc059 100755
--- a/scripts/addons_core/io_scene_gltf2/__init__.py
+++ b/scripts/addons_core/io_scene_gltf2/__init__.py
@@ -5,7 +5,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (4, 2, 39),
+    "version": (4, 2, 40),
     'blender': (4, 2, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',
diff --git a/scripts/addons_core/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py b/scripts/addons_core/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
index 0053980db3c..6bfdfcd90de 100644
--- a/scripts/addons_core/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
+++ b/scripts/addons_core/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
@@ -34,7 +34,7 @@ def encode_scene_primitives(scenes, export_settings):
     dll.encoderSetIndices.argtypes = [c_void_p, c_size_t, c_uint32, c_void_p]
 
     dll.encoderSetAttribute.restype = c_uint32
-    dll.encoderSetAttribute.argtypes = [c_void_p, c_char_p, c_size_t, c_char_p, c_void_p]
+    dll.encoderSetAttribute.argtypes = [c_void_p, c_char_p, c_size_t, c_char_p, c_void_p, c_bool]
 
     dll.encoderEncode.restype = c_bool
     dll.encoderEncode.argtypes = [c_void_p, c_uint8]
@@ -130,7 +130,8 @@ def __encode_primitive(primitive, dll, export_settings, encoded_primitives_cache
             attr_name.encode(),
             attr.component_type,
             attr.type.encode(),
-            attr.buffer_view.data)
+            attr.buffer_view.data,
+            attr.normalized)
         draco_ids[attr_name] = draco_id
 
     dll.encoderSetIndices(encoder, indices.component_type, indices.count, indices.buffer_view.data)