diff --git a/README.md b/README.md
index e456ffb..31127c1 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,7 @@ Lean database abstraction.
 Service discovery and load balancing.
 - **API**: `Start`, `NewCaller`, `Get`, `Post`, `SetLoadBalancer`, `SetRoute`
 
-### go/service v1.3.0
+### go/service v1.3.1
 Core microservice framework.
 - **API**: `Start`, `AsyncStart`, `Register`, `Restful`, `RegisterWebsocket`, `Static`, `Proxy`, `VerifyStruct`
 
@@ -102,6 +102,10 @@ Secret management and cross-language encryption tool.
 Service lifecycle and background management.
 - **API**: `SetInfo`, `SetPidFile`, `SetLogFile`, `OnStart`, `OnStop`, `OnReload`, `Run`, `AddCmd`
 
+### go/sandbox v1.0.0
+Cross-platform isolation and runtime environment manager.
+- **API**: `Start`, `Restore`, `Query`, `Fetch`, `SetRoot`, `Sandbox.Status`, `Sandbox.Wait`, `Sandbox.Kill`, `Sandbox.Cleanup`
+
 ### go/api v1.3.0
 Third-party API orchestration engine.
 - **API**: `Call[T]`, `Load`, `RegisterSigner`, `GetSigner`, `Action`