diff --git a/packages/core/src/store/actions.ts b/packages/core/src/store/actions.ts
index 8fdb39ec..cc5854ad 100644
--- a/packages/core/src/store/actions.ts
+++ b/packages/core/src/store/actions.ts
@@ -600,6 +600,34 @@ export function useActions(
     return changedEdges
   }
 
+  // todo: maybe we should use a more immutable approach, this is a bit too much mutation and hard to maintain
+  const updateNode: Actions['updateNode'] = (id, nodeUpdate, options = { replace: true }) => {
+    const node = findNode(id)
+
+    if (!node) {
+      return
+    }
+
+    const nextNode = typeof nodeUpdate === 'function' ? nodeUpdate(node) : nodeUpdate
+
+    if (options.replace) {
+      state.nodes.splice(state.nodes.indexOf(node), 1, nextNode as GraphNode)
+    } else {
+      Object.assign(node, nextNode)
+    }
+  }
+
+  const updateNodeData: Actions['updateNodeData'] = (id, dataUpdate, options = { replace: false }) => {
+    updateNode(
+      id,
+      (node) => {
+        const nextData = typeof dataUpdate === 'function' ? dataUpdate(node) : dataUpdate
+        return options.replace ? { ...node, data: nextData } : { ...node, data: { ...node.data, ...nextData } }
+      },
+      options,
+    )
+  }
+
   const startConnection: Actions['startConnection'] = (startHandle, position, event, isClick = false) => {
     if (isClick) {
       state.connectionClickStartHandle = startHandle
@@ -902,6 +930,8 @@ export function useActions(
     findNode,
     findEdge,
     updateEdge,
+    updateNode,
+    updateNodeData,
     applyEdgeChanges,
     applyNodeChanges,
     addSelectedElements,
diff --git a/packages/core/src/types/store.ts b/packages/core/src/types/store.ts
index b9e5ca86..1f4bfa53 100644
--- a/packages/core/src/types/store.ts
+++ b/packages/core/src/types/store.ts
@@ -204,6 +204,18 @@ export type GetIntersectingNodes = (
   nodes?: GraphNode[],
 ) => GraphNode[]
 
+export type UpdateNode = <Data = ElementData, CustomEvents extends Record<string, CustomEvent> = any>(
+  id: string,
+  nodeUpdate: Partial<Node<Data, CustomEvents>> | ((node: GraphNode<Data, CustomEvents>) => Partial<Node<Data, CustomEvents>>),
+  options?: { replace: boolean },
+) => void
+
+export type UpdateNodeData = <Data = ElementData, CustomEvents extends Record<string, CustomEvent> = any>(
+  id: string,
+  dataUpdate: Partial<Data> | ((node: GraphNode<Data, CustomEvents>) => Partial<Data>),
+  options?: { replace: boolean },
+) => void
+
 export type IsNodeIntersecting = (node: (Partial<Node> & { id: Node['id'] }) | Rect, area: Rect, partially?: boolean) => boolean
 
 export interface Actions extends ViewportFunctions {
@@ -227,6 +239,10 @@ export interface Actions extends ViewportFunctions {
   findEdge: FindEdge
   /** updates an edge */
   updateEdge: UpdateEdge
+  /** updates a node */
+  updateNode: UpdateNode
+  /** updates the data of a node */
+  updateNodeData: UpdateNodeData
   /** applies default edge change handler */
   applyEdgeChanges: (changes: EdgeChange[]) => GraphEdge[]
   /** applies default node change handler */