diff --git a/go.mod b/go.mod
index c2bf5cc..ed8e908 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/logica0419/resigif
 go 1.22.2
 
 require (
-	github.com/youta-t/its v0.5.0
+	github.com/youta-t/its v0.5.1
 	golang.org/x/image v0.20.0
 	golang.org/x/sync v0.8.0
 )
diff --git a/go.sum b/go.sum
index 4a169bd..44a51f3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/youta-t/its v0.5.0 h1:KScN5T5OHZPcj4KdPWmoOjLSyMRbG21LPB2dijxQKQA=
-github.com/youta-t/its v0.5.0/go.mod h1:BIW52yCMszkfw3y00YtIB5I5EP10+vVJFu3cV78DqlU=
+github.com/youta-t/its v0.5.1 h1:+4PKuU+gmcbFFe0+xuoB3qrQ46Ha/WwCgVrOuzJCn/g=
+github.com/youta-t/its v0.5.1/go.mod h1:BIW52yCMszkfw3y00YtIB5I5EP10+vVJFu3cV78DqlU=
 golang.org/x/image v0.20.0 h1:7cVCUjQwfL18gyBJOmYvptfSHS8Fb3YUDtfLIZ7Nbpw=
 golang.org/x/image v0.20.0/go.mod h1:0a88To4CYVBAHp5FXJm8o7QbUl37Vd85ply1vyD8auM=
 golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=