diff --git a/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-go-for-scalardb-cluster.mdx b/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-go-for-scalardb-cluster.mdx
index 837975b5..a12a3585 100644
--- a/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-go-for-scalardb-cluster.mdx
+++ b/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-go-for-scalardb-cluster.mdx
@@ -97,7 +97,7 @@ First, in a new working directory, create a directory named `scalardb-cluster`,
 mkdir scalardb-cluster
 ```
 
-Then, download the `scalardb-cluster.proto` file and save it in the directory that you created. For ScalarDB Cluster users who have a commercial license, please [contact us](https://www.scalar-labs.com/contact) if you need the `scalardb-cluster.proto` file.
+Then, download the `scalardb-cluster.proto` file and save it in the directory that you created. For ScalarDB Cluster users who have a commercial license, please [contact support](https://www.scalar-labs.com/support) if you need the `scalardb-cluster.proto` file.
 
 Generate the gRPC code by running the following command:
 
diff --git a/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-python-for-scalardb-cluster.mdx b/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-python-for-scalardb-cluster.mdx
index 633b4b9a..710fb4c1 100644
--- a/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-python-for-scalardb-cluster.mdx
+++ b/versioned_docs/version-3.13/scalardb-cluster/getting-started-with-using-python-for-scalardb-cluster.mdx
@@ -100,7 +100,7 @@ pip install grpcio grpcio-tools
 
 To communicate with the gRPC server for ScalarDB Cluster, you will need to generate the stub code from the proto file.
 
-First, download the `scalardb-cluster.proto` file, then save it in the working directory. For ScalarDB Cluster users who have a commercial license, please [contact us](https://www.scalar-labs.com/contact) if you need the `scalardb-cluster.proto` file.
+First, download the `scalardb-cluster.proto` file, then save it in the working directory. For ScalarDB Cluster users who have a commercial license, please [contact support](https://www.scalar-labs.com/support) if you need the `scalardb-cluster.proto` file.
 
 You can generate the stub code by running the following command:
 
diff --git a/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-grpc-api-guide.mdx b/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-grpc-api-guide.mdx
index f263ac60..ac860cd3 100644
--- a/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-grpc-api-guide.mdx
+++ b/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-grpc-api-guide.mdx
@@ -17,7 +17,7 @@ ScalarDB Cluster provides a Java API that uses the gRPC API internally.
 If you use Java or a JVM language, you can use the Java API instead of the ScalarDB Cluster gRPC API directly.
 For details about the Java API, see [Developer Guide for ScalarDB Cluster with the Java API](developer-guide-for-scalardb-cluster-with-java-api.mdx).
 
-For details about the services and messages for the ScalarDB Cluster gRPC API, see the definitions in the `scalardb-cluster.proto` file. For ScalarDB Cluster users who have a commercial license, please [contact us](https://www.scalar-labs.com/contact) if you need the `scalardb-cluster.proto` file.
+For details about the services and messages for the ScalarDB Cluster gRPC API, see the definitions in the `scalardb-cluster.proto` file. For ScalarDB Cluster users who have a commercial license, please [contact support](https://www.scalar-labs.com/support) if you need the `scalardb-cluster.proto` file.
 
 ScalarDB Cluster gRPC API is composed of the following services:
 
diff --git a/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-sql-grpc-api-guide.mdx b/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-sql-grpc-api-guide.mdx
index 9c7d8eb1..4901626b 100644
--- a/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-sql-grpc-api-guide.mdx
+++ b/versioned_docs/version-3.13/scalardb-cluster/scalardb-cluster-sql-grpc-api-guide.mdx
@@ -16,7 +16,7 @@ ScalarDB Cluster SQL provides a Java API that uses the gRPC API internally.
 If you use Java or a JVM language, you can use the Java API instead of the ScalarDB Cluster SQL gRPC API directly.
 For details about the Java API, see [Developer Guide for ScalarDB Cluster with the Java API](developer-guide-for-scalardb-cluster-with-java-api.mdx).
 
-For details about the services and messages for the ScalarDB Cluster SQL gRPC API, see the definitions in the `scalardb-cluster-sql.proto` file. For ScalarDB Cluster users who have a commercial license, please [contact us](https://www.scalar-labs.com/contact) if you need the `scalardb-cluster-sql.proto` file.
+For details about the services and messages for the ScalarDB Cluster SQL gRPC API, see the definitions in the `scalardb-cluster-sql.proto` file. For ScalarDB Cluster users who have a commercial license, please [contact support](https://www.scalar-labs.com/support) if you need the `scalardb-cluster-sql.proto` file.
 
 ScalarDB Cluster SQL gRPC API is composed of the following services: