diff --git a/packages/com.sncommunity.advanced-checklist/src/common/utils.test.ts b/packages/com.sncommunity.advanced-checklist/src/common/utils.test.ts
index e63bacb9..85460efc 100644
--- a/packages/com.sncommunity.advanced-checklist/src/common/utils.test.ts
+++ b/packages/com.sncommunity.advanced-checklist/src/common/utils.test.ts
@@ -7,6 +7,7 @@ import {
   getPlainPreview,
   getTaskArrayFromGroupedTasks,
   groupTasksByCompletedStatus,
+  reorderTasksWithinSection,
   parseMarkdownTasks,
   truncateText,
 } from './utils'
@@ -118,6 +119,36 @@ describe('groupTasksByCompletedStatus', () => {
   })
 })
 
+describe('reorderTasksWithinSection', () => {
+  const createdAt = new Date().toISOString()
+
+  it('should reorder open tasks without moving completed tasks in the array', () => {
+    const tasks: TaskModel[] = [
+      { id: 'completed-1', description: 'Done A', completed: true, createdAt },
+      { id: 'open-1', description: 'Open A', completed: false, createdAt },
+      { id: 'open-2', description: 'Open B', completed: false, createdAt },
+      { id: 'completed-2', description: 'Done B', completed: true, createdAt },
+    ]
+
+    const reordered = reorderTasksWithinSection(tasks, 'open-tasks', 0, 1)
+
+    expect(reordered.map((task) => task.id)).toEqual(['completed-1', 'open-2', 'open-1', 'completed-2'])
+  })
+
+  it('should reorder completed tasks without moving open tasks in the array', () => {
+    const tasks: TaskModel[] = [
+      { id: 'open-1', description: 'Open A', completed: false, createdAt },
+      { id: 'completed-1', description: 'Done A', completed: true, createdAt },
+      { id: 'completed-2', description: 'Done B', completed: true, createdAt },
+      { id: 'open-2', description: 'Open B', completed: false, createdAt },
+    ]
+
+    const reordered = reorderTasksWithinSection(tasks, 'completed-tasks', 0, 1)
+
+    expect(reordered.map((task) => task.id)).toEqual(['open-1', 'completed-2', 'completed-1', 'open-2'])
+  })
+})
+
 describe('getTaskArrayFromGroupedTasks', () => {
   it('should return an array of tasks', () => {
     const workTasks = [
diff --git a/packages/com.sncommunity.advanced-checklist/src/common/utils.ts b/packages/com.sncommunity.advanced-checklist/src/common/utils.ts
index 6846183d..d0568bfa 100644
--- a/packages/com.sncommunity.advanced-checklist/src/common/utils.ts
+++ b/packages/com.sncommunity.advanced-checklist/src/common/utils.ts
@@ -35,6 +35,24 @@ export function groupTasksByCompletedStatus(tasks: TaskModel[]) {
   }
 }
 
+export function taskMatchesSection(task: TaskModel, sectionId: string): boolean {
+  return sectionId === 'completed-tasks' ? task.completed === true : !task.completed
+}
+
+export function reorderTasksWithinSection(
+  tasks: TaskModel[],
+  sectionId: string,
+  fromIndex: number,
+  toIndex: number,
+): TaskModel[] {
+  const matchesSection = (task: TaskModel) => taskMatchesSection(task, sectionId)
+  const sectionTasks = tasks.filter(matchesSection)
+  const reorderedSection = arrayMoveImmutable(sectionTasks, fromIndex, toIndex)
+
+  let sectionIndex = 0
+  return tasks.map((task) => (matchesSection(task) ? reorderedSection[sectionIndex++] : task))
+}
+
 export function getTaskArrayFromGroupedTasks(groupedTasks: GroupModel[]): TaskModel[] {
   let taskArray: TaskModel[] = []
 
diff --git a/packages/com.sncommunity.advanced-checklist/src/features/tasks/TaskSectionList.tsx b/packages/com.sncommunity.advanced-checklist/src/features/tasks/TaskSectionList.tsx
index 05e14800..fd30aae2 100644
--- a/packages/com.sncommunity.advanced-checklist/src/features/tasks/TaskSectionList.tsx
+++ b/packages/com.sncommunity.advanced-checklist/src/features/tasks/TaskSectionList.tsx
@@ -31,9 +31,12 @@ const TaskSectionList: React.FC<TaskSectionListProps> = ({ group }) => {
       return
     }
 
+    const sectionId = source.droppableId.replace(/-droppable$/, '')
+
     dispatch(
       tasksReordered({
         groupName: group.name,
+        sectionId,
         swapTaskIndex: source.index,
         withTaskIndex: destination.index,
         isSameSection: source.droppableId === destination.droppableId,
diff --git a/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.test.ts b/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.test.ts
index b70190db..50c89be9 100644
--- a/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.test.ts
+++ b/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.test.ts
@@ -739,6 +739,7 @@ it('should handle adding an existing task group', () => {
 })
 
 it('should handle reordering tasks from the same section', () => {
+  const createdAt = new Date().toISOString()
   const previousState: TasksState = {
     schemaVersion: '1.0.0',
     defaultSections: [],
@@ -747,22 +748,28 @@ it('should handle reordering tasks from the same section', () => {
         name: 'Test',
         tasks: [
           {
-            id: 'some-id',
-            description: 'A simple task',
+            id: 'completed-1',
+            description: 'A completed task',
             completed: true,
-            createdAt: new Date().toISOString(),
+            createdAt,
           },
           {
-            id: 'another-id',
-            description: 'Another simple task',
+            id: 'open-1',
+            description: 'First open task',
             completed: false,
-            createdAt: new Date().toISOString(),
+            createdAt,
           },
           {
-            id: 'yet-another-id',
-            description: 'Yet another simple task',
+            id: 'open-2',
+            description: 'Second open task',
+            completed: false,
+            createdAt,
+          },
+          {
+            id: 'completed-2',
+            description: 'Another completed task',
             completed: true,
-            createdAt: new Date().toISOString(),
+            createdAt,
           },
         ],
       },
@@ -774,6 +781,7 @@ it('should handle reordering tasks from the same section', () => {
       previousState,
       tasksReordered({
         groupName: 'Test',
+        sectionId: 'open-tasks',
         swapTaskIndex: 0,
         withTaskIndex: 1,
         isSameSection: true,
@@ -787,20 +795,26 @@ it('should handle reordering tasks from the same section', () => {
         name: 'Test',
         tasks: [
           {
-            id: 'another-id',
-            description: 'Another simple task',
+            id: 'completed-1',
+            description: 'A completed task',
+            completed: true,
+            createdAt: expect.any(String),
+          },
+          {
+            id: 'open-2',
+            description: 'Second open task',
             completed: false,
             createdAt: expect.any(String),
           },
           {
-            id: 'some-id',
-            description: 'A simple task',
-            completed: true,
+            id: 'open-1',
+            description: 'First open task',
+            completed: false,
             createdAt: expect.any(String),
           },
           {
-            id: 'yet-another-id',
-            description: 'Yet another simple task',
+            id: 'completed-2',
+            description: 'Another completed task',
             completed: true,
             createdAt: expect.any(String),
           },
@@ -846,6 +860,7 @@ it('should handle reordering tasks from different sections', () => {
       previousState,
       tasksReordered({
         groupName: 'Test',
+        sectionId: 'open-tasks',
         swapTaskIndex: 0,
         withTaskIndex: 1,
         isSameSection: false,
diff --git a/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.ts b/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.ts
index af8dc50f..6d6794fc 100644
--- a/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.ts
+++ b/packages/com.sncommunity.advanced-checklist/src/features/tasks/tasks-slice.ts
@@ -1,5 +1,5 @@
 import { createSlice, PayloadAction } from '@reduxjs/toolkit'
-import { arrayDefault, arrayMoveImmutable, isJsonString, parseMarkdownTasks } from '../../common/utils'
+import { arrayDefault, arrayMoveImmutable, isJsonString, parseMarkdownTasks, reorderTasksWithinSection } from '../../common/utils'
 
 export const LATEST_SCHEMA_VERSION = '1.0.0'
 export const DEFAULT_SECTIONS: SectionModel[] = [
@@ -148,12 +148,13 @@ const tasksSlice = createSlice({
       state,
       action: PayloadAction<{
         groupName: string
+        sectionId: string
         swapTaskIndex: number
         withTaskIndex: number
         isSameSection: boolean
       }>,
     ) {
-      const { groupName, swapTaskIndex, withTaskIndex, isSameSection } = action.payload
+      const { groupName, sectionId, swapTaskIndex, withTaskIndex, isSameSection } = action.payload
       if (!isSameSection) {
         return
       }
@@ -161,7 +162,7 @@ const tasksSlice = createSlice({
       if (!group) {
         return
       }
-      group.tasks = arrayMoveImmutable(group.tasks, swapTaskIndex, withTaskIndex)
+      group.tasks = reorderTasksWithinSection(group.tasks, sectionId, swapTaskIndex, withTaskIndex)
     },
     tasksGroupAdded(
       state,