diff --git a/THREE.html b/THREE.html
index edf675a..613f42e 100644
--- a/THREE.html
+++ b/THREE.html
@@ -65,7 +65,7 @@
         // GLTFモデルの読み込み
         const loader = new GLTFLoader();
         loader.load(
-            'https://www.yatex.org/gitbucket/j2311/about-Leaflet/raw/main/B-chan_plus_feel.gltf',
+            'https://www.yatex.org/gitbucket/j2311/about-Leaflet/raw/main/B-chan_plus_feel.glb',
             function (gltf) {
                 model = gltf.scene;
                 scene.add(model);