diff --git a/go.mod b/go.mod
index 4d0a400..cc47318 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/hashicorp/terraform-plugin-go v0.25.0
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/iancoleman/strcase v0.3.0
-	github.com/pomerium/enterprise-client-go v0.28.1-0.20250306195545-d8048381f24f
+	github.com/pomerium/enterprise-client-go v0.28.1-0.20250310151140-91b9684b1537
 	github.com/pomerium/pomerium v0.28.1-0.20250218200206-b9fd926618e2
 	github.com/rs/zerolog v1.33.0
 	github.com/stretchr/testify v1.10.0
diff --git a/go.sum b/go.sum
index bbea2c9..e6c5d18 100644
--- a/go.sum
+++ b/go.sum
@@ -78,8 +78,8 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/pomerium/enterprise-client-go v0.28.1-0.20250306195545-d8048381f24f h1:yaLu3zRz02Y0lPrIVeoVtYhqzHBcuRGZsiaKNPgOhBQ=
-github.com/pomerium/enterprise-client-go v0.28.1-0.20250306195545-d8048381f24f/go.mod h1:36+cCZpNgJQb5B1+y4rCcyQ8CM865NBNmEAQFS+73DQ=
+github.com/pomerium/enterprise-client-go v0.28.1-0.20250310151140-91b9684b1537 h1:5zM4pm7dPXWMx2Eq0G7XuoQJV5gZqMbjiWjRq6YH5Ws=
+github.com/pomerium/enterprise-client-go v0.28.1-0.20250310151140-91b9684b1537/go.mod h1:36+cCZpNgJQb5B1+y4rCcyQ8CM865NBNmEAQFS+73DQ=
 github.com/pomerium/pomerium v0.28.1-0.20250218200206-b9fd926618e2 h1:UtyGKmmFs/DVuvhOUeFowruCv+xObqAbqNmPqhMZ88o=
 github.com/pomerium/pomerium v0.28.1-0.20250218200206-b9fd926618e2/go.mod h1:8Uf1ya/wSjJyeUo5X4TqctlrYxbc5iPfFG18x1t0Deo=
 github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 h1:N/ElC8H3+5XpJzTSTfLsJV/mx9Q9g7kxmchpfZyxgzM=
diff --git a/internal/provider/namespace_permission_model.go b/internal/provider/namespace_permission_model.go
index 0457d76..776330b 100644
--- a/internal/provider/namespace_permission_model.go
+++ b/internal/provider/namespace_permission_model.go
@@ -3,6 +3,7 @@ package provider
 import (
 	"github.com/hashicorp/terraform-plugin-framework/diag"
 	"github.com/hashicorp/terraform-plugin-framework/types"
+
 	"github.com/pomerium/enterprise-client-go/pb"
 )
 
@@ -35,11 +36,12 @@ func ConvertNamespacePermissionToPB(
 	var diagnostics diag.Diagnostics
 
 	pbNamespacePermission := &pb.NamespacePermission{
-		Id:          src.ID.ValueString(),
-		NamespaceId: src.NamespaceID.ValueString(),
-		Role:        src.Role.ValueString(),
-		SubjectId:   src.SubjectID.ValueString(),
-		SubjectType: src.SubjectType.ValueString(),
+		OriginatorId: OriginatorID,
+		Id:           src.ID.ValueString(),
+		NamespaceId:  src.NamespaceID.ValueString(),
+		Role:         src.Role.ValueString(),
+		SubjectId:    src.SubjectID.ValueString(),
+		SubjectType:  src.SubjectType.ValueString(),
 	}
 
 	return pbNamespacePermission, diagnostics
diff --git a/internal/provider/namespace_permission_model_test.go b/internal/provider/namespace_permission_model_test.go
new file mode 100644
index 0000000..273e118
--- /dev/null
+++ b/internal/provider/namespace_permission_model_test.go
@@ -0,0 +1,39 @@
+package provider_test
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/protobuf/testing/protocmp"
+
+	"github.com/pomerium/enterprise-client-go/pb"
+	"github.com/pomerium/enterprise-terraform-provider/internal/provider"
+)
+
+func TestConvertNamespacePermissionToPB(t *testing.T) {
+	t.Parallel()
+
+	expected := &pb.NamespacePermission{
+		Id:           "NAMESPACE_PERMISSION_ID",
+		NamespaceId:  "NAMESPACE_ID",
+		SubjectType:  "SUBJECT_TYPE",
+		SubjectId:    "SUBJECT_ID",
+		Role:         "ROLE",
+		OriginatorId: "terraform",
+	}
+	actual, diag := provider.ConvertNamespacePermissionToPB(&provider.NamespacePermissionModel{
+		ID:          types.StringValue("NAMESPACE_PERMISSION_ID"),
+		NamespaceID: types.StringValue("NAMESPACE_ID"),
+		Role:        types.StringValue("ROLE"),
+		SubjectID:   types.StringValue("SUBJECT_ID"),
+		SubjectType: types.StringValue("SUBJECT_TYPE"),
+	})
+	if !assert.Equal(t, 0, diag.ErrorsCount()) {
+		t.Log(diag.Errors())
+	}
+	if diff := cmp.Diff(expected, actual, protocmp.Transform()); diff != "" {
+		t.Errorf("unexpected difference: %s", diff)
+	}
+}