diff --git a/src/entities/BlockNode/BlockNode.spec.ts b/src/entities/BlockNode/BlockNode.spec.ts
index 18d0ba4d..fcfd5cf9 100644
--- a/src/entities/BlockNode/BlockNode.spec.ts
+++ b/src/entities/BlockNode/BlockNode.spec.ts
@@ -135,4 +135,44 @@ describe('BlockNode', () => {
       });
     });
   });
+
+  describe('.updateTuneData()', () => {
+    beforeEach(() => {
+      jest.mock('../BlockTune', () => ({
+        BlockTune: jest.fn().mockImplementation(() => ({}) as BlockTune),
+        update: jest.fn(),
+      }));
+    });
+
+    afterEach(() => {
+      jest.clearAllMocks();
+    });
+
+    it('should call .update() method of the BlockTune', () => {
+      const blockTuneName = createBlockTuneName('align');
+
+      const blockTune = new BlockTune({} as BlockTuneConstructorParameters);
+
+      const blockNode = new BlockNode({
+        name: createBlockNodeName('paragraph'),
+        data: {},
+        parent: {} as EditorDocument,
+        tunes: {
+          [blockTuneName]: blockTune,
+        },
+      });
+
+      const dataKey = 'align';
+      const dataValue = 'left';
+      const data = {
+        [dataKey]: dataValue,
+      };
+
+      const spy = jest.spyOn(blockTune, 'update');
+
+      blockNode.updateTuneData(blockTuneName, data);
+
+      expect(spy).toHaveBeenCalledWith(dataKey, dataValue);
+    });
+  });
 });
diff --git a/src/entities/BlockNode/index.ts b/src/entities/BlockNode/index.ts
index e67fc662..1b8332c4 100644
--- a/src/entities/BlockNode/index.ts
+++ b/src/entities/BlockNode/index.ts
@@ -94,6 +94,18 @@ export class BlockNode {
       tunes: serializedTunes,
     };
   }
+
+  /**
+   * Updates data in the BlockTune by the BlockTuneName
+   *
+   * @param tuneName - The name of the BlockTune
+   * @param data - The data to update the BlockTune with
+   */
+  public updateTuneData(tuneName: BlockTuneName, data: Record<string, unknown>): void {
+    Object.entries(data).forEach(([key, value]) => {
+      this.#tunes[tuneName].update(key, value);
+    });
+  }
 }
 
 export {
diff --git a/src/entities/BlockTune/index.ts b/src/entities/BlockTune/index.ts
index c4caec09..ad9b1d97 100644
--- a/src/entities/BlockTune/index.ts
+++ b/src/entities/BlockTune/index.ts
@@ -22,7 +22,7 @@ export class BlockTune {
    * @param args.name - The name of the tune.
    * @param args.data - Any additional data associated with the tune.
    */
-  constructor({ name, data }: BlockTuneConstructorParameters) {
+  constructor({ name, data = {} }: BlockTuneConstructorParameters) {
     this.#name = name;
     this.#data = data;
   }