diff --git a/profiles/latest/datafactory/mgmt/datafactory/models.go b/profiles/latest/datafactory/mgmt/datafactory/models.go
index e23c589c0540..04b39bf01c75 100644
--- a/profiles/latest/datafactory/mgmt/datafactory/models.go
+++ b/profiles/latest/datafactory/mgmt/datafactory/models.go
@@ -1330,6 +1330,7 @@ type SQLServerTableDataset = original.SQLServerTableDataset
 type SQLServerTableDatasetTypeProperties = original.SQLServerTableDatasetTypeProperties
 type SQLSink = original.SQLSink
 type SQLSource = original.SQLSource
+type SSISExecutionCredential = original.SSISExecutionCredential
 type SSISExecutionParameter = original.SSISExecutionParameter
 type SSISPackageLocation = original.SSISPackageLocation
 type SSISPropertyOverride = original.SSISPropertyOverride
diff --git a/profiles/preview/datafactory/mgmt/datafactory/models.go b/profiles/preview/datafactory/mgmt/datafactory/models.go
index 7d35fa47a81b..3ad1a7f2ee1f 100644
--- a/profiles/preview/datafactory/mgmt/datafactory/models.go
+++ b/profiles/preview/datafactory/mgmt/datafactory/models.go
@@ -1330,6 +1330,7 @@ type SQLServerTableDataset = original.SQLServerTableDataset
 type SQLServerTableDatasetTypeProperties = original.SQLServerTableDatasetTypeProperties
 type SQLSink = original.SQLSink
 type SQLSource = original.SQLSource
+type SSISExecutionCredential = original.SSISExecutionCredential
 type SSISExecutionParameter = original.SSISExecutionParameter
 type SSISPackageLocation = original.SSISPackageLocation
 type SSISPropertyOverride = original.SSISPropertyOverride
diff --git a/profiles/preview/preview/datafactory/mgmt/datafactory/models.go b/profiles/preview/preview/datafactory/mgmt/datafactory/models.go
index 3f55e7d7cef6..4f6185bd7e0d 100644
--- a/profiles/preview/preview/datafactory/mgmt/datafactory/models.go
+++ b/profiles/preview/preview/datafactory/mgmt/datafactory/models.go
@@ -1226,6 +1226,7 @@ type SQLServerTableDataset = original.SQLServerTableDataset
 type SQLServerTableDatasetTypeProperties = original.SQLServerTableDatasetTypeProperties
 type SQLSink = original.SQLSink
 type SQLSource = original.SQLSource
+type SSISExecutionCredential = original.SSISExecutionCredential
 type SSISExecutionParameter = original.SSISExecutionParameter
 type SSISPackageLocation = original.SSISPackageLocation
 type SSISPropertyOverride = original.SSISPropertyOverride
diff --git a/services/datafactory/mgmt/2018-06-01/datafactory/models.go b/services/datafactory/mgmt/2018-06-01/datafactory/models.go
index aa407e0bcd58..0603a2c8e3dd 100644
--- a/services/datafactory/mgmt/2018-06-01/datafactory/models.go
+++ b/services/datafactory/mgmt/2018-06-01/datafactory/models.go
@@ -40018,6 +40018,8 @@ type ExecuteSSISPackageActivityTypeProperties struct {
 	LoggingLevel interface{} `json:"loggingLevel,omitempty"`
 	// EnvironmentPath - The environment path to execute the SSIS package. Type: string (or Expression with resultType string).
 	EnvironmentPath interface{} `json:"environmentPath,omitempty"`
+	// ExecutionCredential - The package execution credential.
+	ExecutionCredential map[string]*SSISExecutionCredential `json:"executionCredential"`
 	// ConnectVia - The integration runtime reference.
 	ConnectVia *IntegrationRuntimeReference `json:"connectVia,omitempty"`
 	// ProjectParameters - The project level parameters to execute the SSIS package.
@@ -40047,6 +40049,9 @@ func (espatp ExecuteSSISPackageActivityTypeProperties) MarshalJSON() ([]byte, er
 	if espatp.EnvironmentPath != nil {
 		objectMap["environmentPath"] = espatp.EnvironmentPath
 	}
+	if espatp.ExecutionCredential != nil {
+		objectMap["executionCredential"] = espatp.ExecutionCredential
+	}
 	if espatp.ConnectVia != nil {
 		objectMap["connectVia"] = espatp.ConnectVia
 	}
@@ -102374,6 +102379,16 @@ func (ss *SquareSource) UnmarshalJSON(body []byte) error {
 	return nil
 }
 
+// SSISExecutionCredential SSIS package execution credential.
+type SSISExecutionCredential struct {
+	// Domain - Domain for windows authentication.
+	Domain interface{} `json:"domain,omitempty"`
+	// UserName - UseName for windows authentication.
+	UserName interface{} `json:"userName,omitempty"`
+	// Password - Password for windows authentication.
+	Password *SecureString `json:"password,omitempty"`
+}
+
 // SSISExecutionParameter SSIS execution parameter.
 type SSISExecutionParameter struct {
 	// Value - SSIS package execution parameter value. Type: string (or Expression with resultType string).
diff --git a/services/preview/datafactory/mgmt/2017-09-01-preview/datafactory/models.go b/services/preview/datafactory/mgmt/2017-09-01-preview/datafactory/models.go
index 8fe12a581ee6..0ba3d46aa8fd 100644
--- a/services/preview/datafactory/mgmt/2017-09-01-preview/datafactory/models.go
+++ b/services/preview/datafactory/mgmt/2017-09-01-preview/datafactory/models.go
@@ -36303,6 +36303,8 @@ type ExecuteSSISPackageActivityTypeProperties struct {
 	LoggingLevel *string `json:"loggingLevel,omitempty"`
 	// EnvironmentPath - The environment path to execute the SSIS package.
 	EnvironmentPath *string `json:"environmentPath,omitempty"`
+	// ExecutionCredential - The package execution credential.
+	ExecutionCredential map[string]*SSISExecutionCredential `json:"executionCredential"`
 	// ConnectVia - The integration runtime reference.
 	ConnectVia *IntegrationRuntimeReference `json:"connectVia,omitempty"`
 	// ProjectParameters - The project level parameters to execute the SSIS package.
@@ -36332,6 +36334,9 @@ func (espatp ExecuteSSISPackageActivityTypeProperties) MarshalJSON() ([]byte, er
 	if espatp.EnvironmentPath != nil {
 		objectMap["environmentPath"] = espatp.EnvironmentPath
 	}
+	if espatp.ExecutionCredential != nil {
+		objectMap["executionCredential"] = espatp.ExecutionCredential
+	}
 	if espatp.ConnectVia != nil {
 		objectMap["connectVia"] = espatp.ConnectVia
 	}
@@ -95520,6 +95525,16 @@ func (ss *SquareSource) UnmarshalJSON(body []byte) error {
 	return nil
 }
 
+// SSISExecutionCredential SSIS package execution credential.
+type SSISExecutionCredential struct {
+	// Domain - Domain for windows authentication.
+	Domain interface{} `json:"domain,omitempty"`
+	// UserName - UseName for windows authentication.
+	UserName interface{} `json:"userName,omitempty"`
+	// Password - Password for windows authentication.
+	Password *SecureString `json:"password,omitempty"`
+}
+
 // SSISExecutionParameter SSIS execution parameter.
 type SSISExecutionParameter struct {
 	// Value - SSIS package execution parameter value. Type: string (or Expression with resultType string).