diff --git a/go.mod b/go.mod
index 4392785a..3cd789aa 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,6 @@ require (
 	github.com/suzuki-shunsuke/slog-util v0.3.1
 	github.com/suzuki-shunsuke/urfave-cli-v3-util v0.2.2
 	github.com/urfave/cli/v3 v3.7.0
-	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
diff --git a/go.sum b/go.sum
index 8110de54..5391fe20 100644
--- a/go.sum
+++ b/go.sum
@@ -166,7 +166,5 @@ golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/pkg/patchchecksum/patch.go b/pkg/patchchecksum/patch.go
index 83227451..cc4d321a 100644
--- a/pkg/patchchecksum/patch.go
+++ b/pkg/patchchecksum/patch.go
@@ -15,7 +15,7 @@ import (
 	"github.com/goccy/go-yaml/ast"
 	"github.com/goccy/go-yaml/parser"
 	"github.com/suzuki-shunsuke/slog-error/slogerr"
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 func PatchChecksum(ctx context.Context, logger *slog.Logger, configFilePath string) error {