diff --git a/src/effects/LUT.tsx b/src/effects/LUT.tsx
index 73abbb4..f1e277c 100644
--- a/src/effects/LUT.tsx
+++ b/src/effects/LUT.tsx
@@ -8,7 +8,7 @@ export type LUTProps = {
   lut: Texture
   blendFunction?: BlendFunction
   tetrahedralInterpolation?: boolean
-  ref: Ref<LUT3DEffect>
+  ref?: Ref<LUT3DEffect>
 }
 
 export function LUT({ lut, tetrahedralInterpolation, ref, ...props }: LUTProps) {
diff --git a/src/effects/Texture.tsx b/src/effects/Texture.tsx
index 68057a5..6610b78 100644
--- a/src/effects/Texture.tsx
+++ b/src/effects/Texture.tsx
@@ -8,7 +8,7 @@ type TextureProps = ConstructorParameters<typeof TextureEffect>[0] & {
   textureSrc: string
   /** opacity of provided texture */
   opacity?: number
-  ref: Ref<TextureEffect>
+  ref?: Ref<TextureEffect>
 }
 
 export function Texture({ textureSrc, texture, opacity = 1, ref, ...props }: TextureProps) {