diff --git a/ent/migrate/migrations/20240528220411_migration.sql b/ent/migrate/migrations/20240528220411_migration.sql
index 2d49509..720e9ee 100644
--- a/ent/migrate/migrations/20240528220411_migration.sql
+++ b/ent/migrate/migrations/20240528220411_migration.sql
@@ -1,2 +1,2 @@
 -- Modify "nodes" table
-ALTER TABLE "nodes" ADD COLUMN "test_field" text NOT NULL;
+ALTER TABLE "nodes" ADD COLUMN "test_field" text;
diff --git a/ent/migrate/migrations/20240528221846_migration.sql b/ent/migrate/migrations/20240528221846_migration.sql
new file mode 100644
index 0000000..058cb32
--- /dev/null
+++ b/ent/migrate/migrations/20240528221846_migration.sql
@@ -0,0 +1,2 @@
+-- Modify "nodes" table
+ALTER TABLE "nodes" ALTER COLUMN "test_field" DROP NOT NULL;
diff --git a/ent/migrate/migrations/atlas.sum b/ent/migrate/migrations/atlas.sum
index 8b01729..3ffb5d6 100644
--- a/ent/migrate/migrations/atlas.sum
+++ b/ent/migrate/migrations/atlas.sum
@@ -1,3 +1,4 @@
-h1:qDiQeVaeKVjOjw5Yv9X/s3l4bU33dQ3QstZ/g8MJky0=
+h1:7urIzJi6Lotk7EXEvhjHU0cLp0VVoy6dN9N099p3b2w=
 20240526144817_migration.sql h1:sP6keX+oMyLL2qpIFx0Ns0WYfWM5hJ4zkFPmLWT68fM=
-20240528220411_migration.sql h1:MWbTfx95zDNhc3BL0B4bSC959NKyxzLYGHxreKO9D2M=
+20240528220411_migration.sql h1:SR44sOEaWbDgYCKJZIKcGCI7Ta+LqL71z225Nhs2+HM=
+20240528221846_migration.sql h1:EkUonGI9Bu689qWX4pG3PRC+On4f6u7UvwDbaR8mCNk=
diff --git a/ent/migrate/schema.go b/ent/migrate/schema.go
index bda4c18..e88d1a8 100644
--- a/ent/migrate/schema.go
+++ b/ent/migrate/schema.go
@@ -82,7 +82,7 @@ var (
 		{Name: "repository_url", Type: field.TypeString, SchemaType: map[string]string{"postgres": "text"}},
 		{Name: "icon_url", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
 		{Name: "tags", Type: field.TypeJSON, SchemaType: map[string]string{"postgres": "text"}},
-		{Name: "test_field", Type: field.TypeJSON, SchemaType: map[string]string{"postgres": "text"}},
+		{Name: "test_field", Type: field.TypeJSON, Nullable: true, SchemaType: map[string]string{"postgres": "text"}},
 		{Name: "publisher_id", Type: field.TypeString, SchemaType: map[string]string{"postgres": "text"}},
 	}
 	// NodesTable holds the schema information for the "nodes" table.
diff --git a/ent/mutation.go b/ent/mutation.go
index d2f3cb6..4ee8990 100644
--- a/ent/mutation.go
+++ b/ent/mutation.go
@@ -2686,10 +2686,24 @@ func (m *NodeMutation) AppendedTestField() ([]string, bool) {
 	return m.appendtest_field, true
 }
 
+// ClearTestField clears the value of the "test_field" field.
+func (m *NodeMutation) ClearTestField() {
+	m.test_field = nil
+	m.appendtest_field = nil
+	m.clearedFields[node.FieldTestField] = struct{}{}
+}
+
+// TestFieldCleared returns if the "test_field" field was cleared in this mutation.
+func (m *NodeMutation) TestFieldCleared() bool {
+	_, ok := m.clearedFields[node.FieldTestField]
+	return ok
+}
+
 // ResetTestField resets all changes to the "test_field" field.
 func (m *NodeMutation) ResetTestField() {
 	m.test_field = nil
 	m.appendtest_field = nil
+	delete(m.clearedFields, node.FieldTestField)
 }
 
 // ClearPublisher clears the "publisher" edge to the Publisher entity.
@@ -3027,6 +3041,9 @@ func (m *NodeMutation) ClearedFields() []string {
 	if m.FieldCleared(node.FieldIconURL) {
 		fields = append(fields, node.FieldIconURL)
 	}
+	if m.FieldCleared(node.FieldTestField) {
+		fields = append(fields, node.FieldTestField)
+	}
 	return fields
 }
 
@@ -3050,6 +3067,9 @@ func (m *NodeMutation) ClearField(name string) error {
 	case node.FieldIconURL:
 		m.ClearIconURL()
 		return nil
+	case node.FieldTestField:
+		m.ClearTestField()
+		return nil
 	}
 	return fmt.Errorf("unknown Node nullable field %s", name)
 }
diff --git a/ent/node/where.go b/ent/node/where.go
index 6260d08..b765bd7 100644
--- a/ent/node/where.go
+++ b/ent/node/where.go
@@ -675,6 +675,16 @@ func IconURLContainsFold(v string) predicate.Node {
 	return predicate.Node(sql.FieldContainsFold(FieldIconURL, v))
 }
 
+// TestFieldIsNil applies the IsNil predicate on the "test_field" field.
+func TestFieldIsNil() predicate.Node {
+	return predicate.Node(sql.FieldIsNull(FieldTestField))
+}
+
+// TestFieldNotNil applies the NotNil predicate on the "test_field" field.
+func TestFieldNotNil() predicate.Node {
+	return predicate.Node(sql.FieldNotNull(FieldTestField))
+}
+
 // HasPublisher applies the HasEdge predicate on the "publisher" edge.
 func HasPublisher() predicate.Node {
 	return predicate.Node(func(s *sql.Selector) {
diff --git a/ent/node_create.go b/ent/node_create.go
index b3e271c..21ba95d 100644
--- a/ent/node_create.go
+++ b/ent/node_create.go
@@ -234,9 +234,6 @@ func (nc *NodeCreate) check() error {
 	if _, ok := nc.mutation.Tags(); !ok {
 		return &ValidationError{Name: "tags", err: errors.New(`ent: missing required field "Node.tags"`)}
 	}
-	if _, ok := nc.mutation.TestField(); !ok {
-		return &ValidationError{Name: "test_field", err: errors.New(`ent: missing required field "Node.test_field"`)}
-	}
 	if _, ok := nc.mutation.PublisherID(); !ok {
 		return &ValidationError{Name: "publisher", err: errors.New(`ent: missing required edge "Node.publisher"`)}
 	}
@@ -539,6 +536,12 @@ func (u *NodeUpsert) UpdateTestField() *NodeUpsert {
 	return u
 }
 
+// ClearTestField clears the value of the "test_field" field.
+func (u *NodeUpsert) ClearTestField() *NodeUpsert {
+	u.SetNull(node.FieldTestField)
+	return u
+}
+
 // UpdateNewValues updates the mutable fields using the new values that were set on create except the ID field.
 // Using this option is equivalent to using:
 //
@@ -751,6 +754,13 @@ func (u *NodeUpsertOne) UpdateTestField() *NodeUpsertOne {
 	})
 }
 
+// ClearTestField clears the value of the "test_field" field.
+func (u *NodeUpsertOne) ClearTestField() *NodeUpsertOne {
+	return u.Update(func(s *NodeUpsert) {
+		s.ClearTestField()
+	})
+}
+
 // Exec executes the query.
 func (u *NodeUpsertOne) Exec(ctx context.Context) error {
 	if len(u.create.conflict) == 0 {
@@ -1130,6 +1140,13 @@ func (u *NodeUpsertBulk) UpdateTestField() *NodeUpsertBulk {
 	})
 }
 
+// ClearTestField clears the value of the "test_field" field.
+func (u *NodeUpsertBulk) ClearTestField() *NodeUpsertBulk {
+	return u.Update(func(s *NodeUpsert) {
+		s.ClearTestField()
+	})
+}
+
 // Exec executes the query.
 func (u *NodeUpsertBulk) Exec(ctx context.Context) error {
 	if u.create.err != nil {
diff --git a/ent/node_update.go b/ent/node_update.go
index 8b4e169..8577d6c 100644
--- a/ent/node_update.go
+++ b/ent/node_update.go
@@ -178,6 +178,12 @@ func (nu *NodeUpdate) AppendTestField(s []string) *NodeUpdate {
 	return nu
 }
 
+// ClearTestField clears the value of the "test_field" field.
+func (nu *NodeUpdate) ClearTestField() *NodeUpdate {
+	nu.mutation.ClearTestField()
+	return nu
+}
+
 // SetPublisher sets the "publisher" edge to the Publisher entity.
 func (nu *NodeUpdate) SetPublisher(p *Publisher) *NodeUpdate {
 	return nu.SetPublisherID(p.ID)
@@ -332,6 +338,9 @@ func (nu *NodeUpdate) sqlSave(ctx context.Context) (n int, err error) {
 			sqljson.Append(u, node.FieldTestField, value)
 		})
 	}
+	if nu.mutation.TestFieldCleared() {
+		_spec.ClearField(node.FieldTestField, field.TypeJSON)
+	}
 	if nu.mutation.PublisherCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.M2O,
@@ -572,6 +581,12 @@ func (nuo *NodeUpdateOne) AppendTestField(s []string) *NodeUpdateOne {
 	return nuo
 }
 
+// ClearTestField clears the value of the "test_field" field.
+func (nuo *NodeUpdateOne) ClearTestField() *NodeUpdateOne {
+	nuo.mutation.ClearTestField()
+	return nuo
+}
+
 // SetPublisher sets the "publisher" edge to the Publisher entity.
 func (nuo *NodeUpdateOne) SetPublisher(p *Publisher) *NodeUpdateOne {
 	return nuo.SetPublisherID(p.ID)
@@ -756,6 +771,9 @@ func (nuo *NodeUpdateOne) sqlSave(ctx context.Context) (_node *Node, err error)
 			sqljson.Append(u, node.FieldTestField, value)
 		})
 	}
+	if nuo.mutation.TestFieldCleared() {
+		_spec.ClearField(node.FieldTestField, field.TypeJSON)
+	}
 	if nuo.mutation.PublisherCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.M2O,
diff --git a/ent/schema/node.go b/ent/schema/node.go
index 9a74694..0974d1d 100644
--- a/ent/schema/node.go
+++ b/ent/schema/node.go
@@ -45,7 +45,7 @@ func (Node) Fields() []ent.Field {
 		}).Default([]string{}),
 		field.Strings("test_field").SchemaType(map[string]string{
 			dialect.Postgres: "text",
-		}).Default([]string{}),
+		}).Default([]string{}).Optional(),
 	}
 }