diff --git a/go.mod b/go.mod
index 256c6e0..294ccb8 100644
--- a/go.mod
+++ b/go.mod
@@ -7,5 +7,5 @@ go 1.20
 
 require (
 	github.com/RyuaNerin/elliptic2 v1.0.0
-	github.com/RyuaNerin/testingutil v0.1.0
+	github.com/RyuaNerin/testingutil v0.1.1
 )
diff --git a/go.sum b/go.sum
index f647857..c5bfddc 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
 github.com/RyuaNerin/elliptic2 v1.0.0 h1:xuqrsvIXvT35maN5uiQV56TPZ/RQ+UhDF+fRFToDeJg=
 github.com/RyuaNerin/elliptic2 v1.0.0/go.mod h1:wWB8fWrJI/6EPJkyV/r1Rj0hxUgrusmqSj8JN6yNf/A=
-github.com/RyuaNerin/testingutil v0.1.0 h1:IYT6JL57RV3U2ml3dLHZsVtPOP6yNK7WUVdzzlpNrss=
-github.com/RyuaNerin/testingutil v0.1.0/go.mod h1:yTqj6Ta/ycHMPJHRyO12Mz3VrvTloWOsy23WOZH19AA=
+github.com/RyuaNerin/testingutil v0.1.1 h1:pdhXyITzVpkBMhhT1HBiG4JwtS8Ms7McgJIli8rJAQs=
+github.com/RyuaNerin/testingutil v0.1.1/go.mod h1:yTqj6Ta/ycHMPJHRyO12Mz3VrvTloWOsy23WOZH19AA=