diff --git a/go.mod b/go.mod
index ea844d2..d421e2f 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.22.2
 
 require (
 	github.com/youta-t/its v0.5.0
-	golang.org/x/image v0.19.0
+	golang.org/x/image v0.20.0
 	golang.org/x/sync v0.8.0
 )
 
diff --git a/go.sum b/go.sum
index 619d4b5..bcf23ff 100644
--- a/go.sum
+++ b/go.sum
@@ -1,9 +1,7 @@
 github.com/youta-t/its v0.5.0 h1:KScN5T5OHZPcj4KdPWmoOjLSyMRbG21LPB2dijxQKQA=
 github.com/youta-t/its v0.5.0/go.mod h1:BIW52yCMszkfw3y00YtIB5I5EP10+vVJFu3cV78DqlU=
-golang.org/x/image v0.19.0 h1:D9FX4QWkLfkeqaC62SonffIIuYdOk/UE2XKUBgRIBIQ=
-golang.org/x/image v0.19.0/go.mod h1:y0zrRqlQRWQ5PXaYCOMLTW2fpsxZ8Qh9I/ohnInJEys=
-golang.org/x/mod v0.15.0 h1:SernR4v+D55NyBH2QiEQrlBAnj1ECL6AGrA5+dPaMY8=
-golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/image v0.20.0 h1:7cVCUjQwfL18gyBJOmYvptfSHS8Fb3YUDtfLIZ7Nbpw=
+golang.org/x/image v0.20.0/go.mod h1:0a88To4CYVBAHp5FXJm8o7QbUl37Vd85ply1vyD8auM=
 golang.org/x/mod v0.20.0 h1:utOm6MM3R3dnawAiJgn0y+xvuYRsm1RKM/4giyfDgV0=
 golang.org/x/mod v0.20.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=