diff --git a/Assets/VRMShaders/VRM/MToon b/Assets/VRMShaders/VRM/MToon
index e7b15eed3..f451d6151 160000
--- a/Assets/VRMShaders/VRM/MToon
+++ b/Assets/VRMShaders/VRM/MToon
@@ -1 +1 @@
-Subproject commit e7b15eed3be9aec5400ec31f21ce664350368d3f
+Subproject commit f451d61513b137e8e39338d328ffca73d8744f0a
diff --git a/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_input.hlsl b/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_input.hlsl
index fd738a6cc..6f5d361e9 100644
--- a/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_input.hlsl
+++ b/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_input.hlsl
@@ -12,7 +12,8 @@ UNITY_DECLARE_TEX2D(_EmissionMap);
 UNITY_DECLARE_TEX2D(_MatcapTex);
 UNITY_DECLARE_TEX2D(_RimTex);
 UNITY_DECLARE_TEX2D(_OutlineWidthTex);
-UNITY_DECLARE_TEX2D(_UvAnimMaskTex);
+// NOTE: "tex2d() * _Time.y" returns mediump value if sampler is half precision in Android VR platform
+UNITY_DECLARE_TEX2D_FLOAT(_UvAnimMaskTex);
 
 CBUFFER_START(UnityPerMaterial)
 // Vector
@@ -35,9 +36,9 @@ half _RimLift;
 half _RimLightingMix;
 half _OutlineWidth;
 half _OutlineLightingMix;
-half _UvAnimScrollXSpeed;
-half _UvAnimScrollYSpeed;
-half _UvAnimRotationSpeed;
+float _UvAnimScrollXSpeed;
+float _UvAnimScrollYSpeed;
+float _UvAnimRotationSpeed;
 CBUFFER_END
 
 // No Using on shader