diff --git a/build.gradle b/build.gradle
index 942921b..4fb8d21 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     implementation "org.springframework.boot:spring-boot-starter-test"
     implementation "javax.validation:validation-api:2.0.1.Final"
 
-    implementation "io.iworkflow:iwf-java-sdk:1.0.0-rc1"
+    implementation "io.iworkflow:iwf-java-sdk:1.0.0-final"
 
     // openapi
     implementation "org.openapitools:jackson-databind-nullable:0.2.1"
diff --git a/src/main/java/io/iworkflow/controller/BasicWorkflowController.java b/src/main/java/io/iworkflow/controller/BasicWorkflowController.java
index b857301..db8e8fb 100644
--- a/src/main/java/io/iworkflow/controller/BasicWorkflowController.java
+++ b/src/main/java/io/iworkflow/controller/BasicWorkflowController.java
@@ -1,9 +1,9 @@
 package io.iworkflow.controller;
 
 import io.iworkflow.core.Client;
-import io.iworkflow.core.ImmutableWorkflowStartOptions;
-import io.iworkflow.core.WorkflowStartOptions;
-import io.iworkflow.core.options.WorkflowIdReusePolicy;
+import io.iworkflow.core.ImmutableWorkflowOptions;
+import io.iworkflow.core.WorkflowOptions;
+import io.iworkflow.gen.models.WorkflowStartOptions;
 import io.iworkflow.workflow.basic.BasicWorkflow;
 import io.iworkflow.workflow.basic.BasicWorkflowS1;
 import org.springframework.http.ResponseEntity;
@@ -28,9 +28,9 @@ public BasicWorkflowController(
     @GetMapping("/start")
     public ResponseEntity<String> start() {
         final String wfId = "basic-test-id" + System.currentTimeMillis() / 1000;
-        final WorkflowStartOptions startOptions = ImmutableWorkflowStartOptions.builder()
+        final WorkflowOptions startOptions = ImmutableWorkflowOptions.builder()
                 .workflowTimeoutSeconds(10)
-                .workflowIdReusePolicy(Optional.of(WorkflowIdReusePolicy.ALLOW_DUPLICATE))
+                .workflowIdReusePolicy(Optional.of(WorkflowStartOptions.WorkflowIDReusePolicyEnum.ALLOW_DUPLICATE))
                 .build();
         final Integer input = 0;
         final String runId = client.startWorkflow(BasicWorkflow.class, BasicWorkflowS1.StateId, input, wfId, startOptions);
diff --git a/src/main/java/io/iworkflow/controller/InterstateChannelWorkflowController.java b/src/main/java/io/iworkflow/controller/InterstateChannelWorkflowController.java
index cb68c70..8386747 100644
--- a/src/main/java/io/iworkflow/controller/InterstateChannelWorkflowController.java
+++ b/src/main/java/io/iworkflow/controller/InterstateChannelWorkflowController.java
@@ -1,7 +1,7 @@
 package io.iworkflow.controller;
 
 import io.iworkflow.core.Client;
-import io.iworkflow.core.WorkflowStartOptions;
+import io.iworkflow.core.WorkflowOptions;
 import io.iworkflow.workflow.interstatechannel.BasicInterStateChannelWorkflow;
 import io.iworkflow.workflow.interstatechannel.BasicInterStateChannelWorkflowState0;
 import org.springframework.http.ResponseEntity;
@@ -24,7 +24,7 @@ public InterstateChannelWorkflowController(
     @GetMapping("/start")
     public ResponseEntity<String> start() {
         final String wfId = "basic-inter-state-test-id" + System.currentTimeMillis() / 1000;
-        final WorkflowStartOptions startOptions = WorkflowStartOptions.minimum(10);
+        final WorkflowOptions startOptions = WorkflowOptions.minimum(10);
         final Integer input = 1;
         final String runId = client.startWorkflow(
                 BasicInterStateChannelWorkflow.class, BasicInterStateChannelWorkflowState0.STATE_ID, input, wfId, startOptions);
diff --git a/src/main/java/io/iworkflow/controller/PersistenceWorkflowController.java b/src/main/java/io/iworkflow/controller/PersistenceWorkflowController.java
index 23cccf6..48e87b8 100644
--- a/src/main/java/io/iworkflow/controller/PersistenceWorkflowController.java
+++ b/src/main/java/io/iworkflow/controller/PersistenceWorkflowController.java
@@ -1,9 +1,9 @@
 package io.iworkflow.controller;
 
 import io.iworkflow.core.Client;
-import io.iworkflow.core.WorkflowStartOptions;
-import io.iworkflow.workflow.persistence.BasicPersistenceWorkflow;
-import io.iworkflow.workflow.persistence.BasicPersistenceWorkflowState1;
+import io.iworkflow.core.WorkflowOptions;
+import io.iworkflow.workflow.basic.BasicWorkflow;
+import io.iworkflow.workflow.basic.BasicWorkflowS1;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -24,9 +24,9 @@ public PersistenceWorkflowController(
     @GetMapping("/start")
     public ResponseEntity<String> start() {
         final String wfId = "basic-persistence-test-id" + System.currentTimeMillis() / 1000;
-        final WorkflowStartOptions startOptions = WorkflowStartOptions.minimum(10);
+        final WorkflowOptions startOptions = WorkflowOptions.minimum(10);
         final String runId = client.startWorkflow(
-                BasicPersistenceWorkflow.class, BasicPersistenceWorkflowState1.STATE_ID, "start", wfId, startOptions);
+                BasicWorkflow.class, BasicWorkflowS1.StateId, "start", wfId, startOptions);
         final String output = client.getSimpleWorkflowResultWithWait(String.class, wfId);
 
         return ResponseEntity.ok(String.format("runId: %s, output: %s", runId, output));
diff --git a/src/main/java/io/iworkflow/controller/SignalWorkflowController.java b/src/main/java/io/iworkflow/controller/SignalWorkflowController.java
index a9c8d09..87f58ee 100644
--- a/src/main/java/io/iworkflow/controller/SignalWorkflowController.java
+++ b/src/main/java/io/iworkflow/controller/SignalWorkflowController.java
@@ -1,9 +1,9 @@
 package io.iworkflow.controller;
 
-import io.iworkflow.core.WorkflowStartOptions;
+import io.iworkflow.core.Client;
+import io.iworkflow.core.WorkflowOptions;
 import io.iworkflow.workflow.signal.BasicSignalWorkflow;
 import io.iworkflow.workflow.signal.BasicSignalWorkflowState1;
-import io.iworkflow.core.Client;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -24,7 +24,7 @@ public SignalWorkflowController(
     @GetMapping("/start")
     public ResponseEntity<String> start() {
         final String wfId = "basic-signal-test-id" + System.currentTimeMillis() / 1000;
-        final WorkflowStartOptions startOptions = WorkflowStartOptions.minimum(10);
+        final WorkflowOptions startOptions = WorkflowOptions.minimum(10);
         final Integer input = 1;
         final String runId = client.startWorkflow(
                 BasicSignalWorkflow.class, BasicSignalWorkflowState1.STATE_ID, input, wfId, startOptions);
diff --git a/src/main/java/io/iworkflow/controller/TimerWorkflowController.java b/src/main/java/io/iworkflow/controller/TimerWorkflowController.java
index 65aaf1e..1ab2987 100644
--- a/src/main/java/io/iworkflow/controller/TimerWorkflowController.java
+++ b/src/main/java/io/iworkflow/controller/TimerWorkflowController.java
@@ -1,7 +1,7 @@
 package io.iworkflow.controller;
 
 import io.iworkflow.core.Client;
-import io.iworkflow.core.WorkflowStartOptions;
+import io.iworkflow.core.WorkflowOptions;
 import io.iworkflow.workflow.timer.BasicTimerWorkflow;
 import io.iworkflow.workflow.timer.BasicTimerWorkflowState1;
 import org.springframework.http.ResponseEntity;
@@ -25,7 +25,7 @@ public TimerWorkflowController(
     public ResponseEntity<String> start() {
         final long startTs = System.currentTimeMillis();
         final String wfId = "basic-timer-test-id" + startTs / 1000;
-        final WorkflowStartOptions startOptions = WorkflowStartOptions.minimum(10);
+        final WorkflowOptions startOptions = WorkflowOptions.minimum(10);
         final Integer input = 5;
 
         final String runId = client.startWorkflow(
diff --git a/src/main/java/io/iworkflow/services/DynamicWorkflowService.java b/src/main/java/io/iworkflow/services/DynamicWorkflowService.java
index 65cd4c6..33b426e 100644
--- a/src/main/java/io/iworkflow/services/DynamicWorkflowService.java
+++ b/src/main/java/io/iworkflow/services/DynamicWorkflowService.java
@@ -1,7 +1,7 @@
 package io.iworkflow.services;
 
 import io.iworkflow.core.UntypedClient;
-import io.iworkflow.core.WorkflowStartOptions;
+import io.iworkflow.core.WorkflowOptions;
 import io.iworkflow.models.ImmutableStartWorkflowResponse;
 import io.iworkflow.models.SignalRequest;
 import io.iworkflow.models.StartWorkflowResponse;
@@ -33,7 +33,7 @@ public StartWorkflowResponse startWorkflow(final String workflowName) {
 
         String runId = untypedClient.startWorkflow(DynamicDslWorkflow.class.getSimpleName(),
                 adapter.getWorkflow().getId() + "-" + startState.getName(),
-                adapter.getFirstState(), workflowId, WorkflowStartOptions.minimum(100));
+                adapter.getFirstState(), workflowId, WorkflowOptions.minimum(100));
         return ImmutableStartWorkflowResponse.builder()
                 .workflowId(workflowId)
                 .runId(runId)