diff --git a/go.mod b/go.mod
index 46cfe7b..c89ef06 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/oras-project/oras-mcp
 go 1.25.0
 
 require (
-	github.com/google/jsonschema-go v0.3.0
+	github.com/google/jsonschema-go v0.4.1
 	github.com/modelcontextprotocol/go-sdk v0.8.0
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.1.1
diff --git a/go.sum b/go.sum
index 0657004..d388018 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,8 @@
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-github.com/google/jsonschema-go v0.3.0 h1:6AH2TxVNtk3IlvkkhjrtbUc4S8AvO0Xii0DxIygDg+Q=
-github.com/google/jsonschema-go v0.3.0/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
+github.com/google/jsonschema-go v0.4.1 h1:7Cq/xS+ykHvL5xMOjL0ONlOytAvAFcZTqDjXwrc4AtQ=
+github.com/google/jsonschema-go v0.4.1/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/modelcontextprotocol/go-sdk v0.8.0 h1:jdsBtGzBLY287WKSIjYovOXAqtJkP+HtFQFKrZd4a6c=