diff --git a/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneScheduler.cs b/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneScheduler.cs
index 014de66b6..55f1f8316 100644
--- a/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneScheduler.cs
+++ b/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneScheduler.cs
@@ -22,7 +22,7 @@ namespace UniVRM10.FastSpringBones.System
         /// 4. PushTransformJob
         /// 
         /// </summary>
-        public JobHandle Schedule()
+        public JobHandle Schedule(float deltaTime)
         {
             var handle0 = _bufferCombiner.ReconstructIfDirty(default);
             if (!_bufferCombiner.HasBuffer)
@@ -42,7 +42,7 @@ namespace UniVRM10.FastSpringBones.System
                 Logics = _bufferCombiner.Logics,
                 Springs = _bufferCombiner.Springs,
                 Transforms = _bufferCombiner.Transforms,
-                DeltaTime = Time.deltaTime,
+                DeltaTime = deltaTime,
             }.Schedule(_bufferCombiner.Springs.Length, 1, handle1);
 
             var handle3 = new PushTransformJob
diff --git a/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneService.cs b/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneService.cs
index 143b44d2b..993e786f9 100644
--- a/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneService.cs
+++ b/Assets/VRM10/Runtime/FastSpringBone/System/FastSpringBoneService.cs
@@ -85,17 +85,17 @@ namespace UniVRM10.FastSpringBones.System
         {
             if (UpdateType == UpdateTypes.LateUpdate)
             {
-                _fastSpringBoneScheduler.Schedule().Complete();
+                _fastSpringBoneScheduler.Schedule(Time.deltaTime).Complete();
             }
         }
 
-        public void ManualUpdate()
+        public void ManualUpdate(float deltaTime)
         {
             if (UpdateType != UpdateTypes.Manual)
             {
                 throw new global::System.ArgumentException("require UpdateTypes.None");
             }
-            _fastSpringBoneScheduler.Schedule().Complete();
+            _fastSpringBoneScheduler.Schedule(deltaTime).Complete();
         }
     }
 }
\ No newline at end of file