diff --git a/api/testsuite/v3/testsuite_types.go b/api/testsuite/v3/testsuite_types.go
index b4169e7d..c35ac748 100644
--- a/api/testsuite/v3/testsuite_types.go
+++ b/api/testsuite/v3/testsuite_types.go
@@ -207,6 +207,8 @@ type TestSuiteStepExecutionRequest struct {
 	ArgsMode ArgsModeType `json:"argsMode,omitempty"`
 	// executor binary command
 	Command []string `json:"command,omitempty"`
+	// whether to start execution sync or async
+	Sync bool `json:"sync,omitempty"`
 	// http proxy for executor containers
 	HttpProxy string `json:"httpProxy,omitempty"`
 	// https proxy for executor containers
diff --git a/config/crd/bases/tests.testkube.io_testsuites.yaml b/config/crd/bases/tests.testkube.io_testsuites.yaml
index a41fbdf8..71cac4c5 100644
--- a/config/crd/bases/tests.testkube.io_testsuites.yaml
+++ b/config/crd/bases/tests.testkube.io_testsuites.yaml
@@ -670,6 +670,9 @@ spec:
                               scraperTemplateReference:
                                 description: scraper template extensions reference
                                 type: string
+                              sync:
+                                description: whether to start execution sync or async
+                                type: boolean
                               variables:
                                 additionalProperties:
                                   properties: