diff --git a/README.md b/README.md
index 1b5b081..6f3edd0 100644
--- a/README.md
+++ b/README.md
@@ -100,3 +100,4 @@ base url: `http://localhost:3000`
 
 - Create a new task: `POST /api/organization/:organizationId/team/:teamId/project/:projectId/task/create`
 - Update a task: `PUT /api/organization/:organizationId/team/:teamId/project/:projectId/task/:taskId`
+- Update the task priority: `PATCH /api/organization/:organizationId/team/:teamId/project/:projectId/task/:taskId/priority`
diff --git a/src/controllers/task.controller.js b/src/controllers/task.controller.js
index 2ee2373..5dc93b7 100644
--- a/src/controllers/task.controller.js
+++ b/src/controllers/task.controller.js
@@ -545,3 +545,102 @@ export const updateTask = async (req, res, next) => {
     next(error);
   }
 };
+
+/**
+ * @desc   Update the task priority
+ * @route  /api/organization/:organizationId/team/:teamId/project/:projectId/task/:taskId/priority
+ * @method PATCH
+ * @access private
+ */
+export const updateTaskPriority = async (req, res, next) => {
+  try {
+    const { organizationId, teamId, projectId, taskId } = req.params;
+    const { priority } = req.body;
+    const user = req.user;
+
+    // Validate priority
+    if (!priority || !['HIGH', 'MEDIUM', 'LOW'].includes(priority)) {
+      return res.status(400).json({
+        success: false,
+        message: 'Valid priority (HIGH, MEDIUM, LOW) is required',
+      });
+    }
+
+    // Check if organization exists
+    const orgCheck = await checkOrganization(organizationId);
+    if (!orgCheck.success) {
+      return res.status(404).json({
+        success: false,
+        message: orgCheck.message,
+      });
+    }
+
+    // Check if team exists
+    const teamCheck = await checkTeam(teamId, organizationId);
+    if (!teamCheck.success) {
+      return res.status(404).json({
+        success: false,
+        message: teamCheck.message,
+      });
+    }
+
+    // Check if project exists
+    const projectCheck = await checkProject(projectId, teamId, organizationId);
+    if (!projectCheck.success) {
+      return res.status(404).json({
+        success: false,
+        message: projectCheck.message,
+      });
+    }
+
+    // Check if task exists and belongs to the project
+    const task = await prisma.task.findFirst({
+      where: {
+        id: taskId,
+        projectId,
+        deletedAt: null,
+      },
+    });
+
+    if (!task) {
+      return res.status(404).json({
+        success: false,
+        message: 'Task not found or does not belong to the specified project',
+      });
+    }
+
+    // Check task permissions
+    const permissionsCheck = checkTaskPermissions(
+      user,
+      orgCheck.organization,
+      teamCheck.team,
+      projectCheck.project,
+      'update priority',
+    );
+
+    if (!permissionsCheck.success) {
+      return res.status(403).json({
+        success: false,
+        message: permissionsCheck.message,
+      });
+    }
+
+    // Update task priority
+    const updatedTask = await prisma.task.update({
+      where: { id: taskId },
+      data: {
+        priority,
+        updatedAt: new Date(),
+        lastModifiedBy: user.id,
+      },
+    });
+
+    return res.status(200).json({
+      success: true,
+      message: 'Task priority updated successfully',
+      task: updatedTask,
+    });
+  } catch (error) {
+    next(error);
+  }
+};
diff --git a/src/docs/swagger.json b/src/docs/swagger.json
index 322d3b3..c92e8fd 100644
--- a/src/docs/swagger.json
+++ b/src/docs/swagger.json
@@ -4883,6 +4883,161 @@
           }
         }
       }
+    },
+    "/api/organization/{organizationId}/team/{teamId}/project/{projectId}/task/{taskId}/priority": {
+      "patch": {
+        "tags": ["Task"],
+        "summary": "Update task priority",
+        "description": "Updates the priority of an existing task within a specific project, team, and organization. Requires appropriate permissions.",
+        "security": [{ "BearerAuth": [] }],
+        "parameters": [
+          {
+            "name": "organizationId",
+            "in": "path",
+            "required": true,
+            "description": "ID of the organization",
+            "schema": { "type": "string" }
+          },
+          {
+            "name": "teamId",
+            "in": "path",
+            "required": true,
+            "description": "ID of the team",
+            "schema": { "type": "string" }
+          },
+          {
+            "name": "projectId",
+            "in": "path",
+            "required": true,
+            "description": "ID of the project",
+            "schema": { "type": "string" }
+          },
+          {
+            "name": "taskId",
+            "in": "path",
+            "required": true,
+            "description": "ID of the task to update",
+            "schema": { "type": "string" }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "type": "object",
+                "required": ["priority"],
+                "properties": {
+                  "priority": {
+                    "type": "string",
+                    "enum": ["HIGH", "MEDIUM", "LOW"],
+                    "description": "New priority level for the task",
+                    "example": "MEDIUM"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "Task priority updated successfully",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "success": { "type": "boolean", "example": true },
+                    "message": {
+                      "type": "string",
+                      "example": "Task priority updated successfully"
+                    },
+                    "task": { "$ref": "#/components/schemas/Task" }
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "Invalid priority value",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "success": { "type": "boolean", "example": false },
+                    "message": {
+                      "type": "string",
+                      "example": "Valid priority (HIGH, MEDIUM, LOW) is required"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "403": {
+            "description": "Forbidden - insufficient permissions",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "success": { "type": "boolean", "example": false },
+                    "message": {
+                      "type": "string",
+                      "example": "You don't have permission to update task priorities in this project"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "Not found - organization, team, project or task not found",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "success": { "type": "boolean", "example": false },
+                    "message": {
+                      "oneOf": [
+                        {
+                          "type": "string",
+                          "example": "Organization not found"
+                        },
+                        { "type": "string", "example": "Team not found" },
+                        { "type": "string", "example": "Project not found" },
+                        {
+                          "type": "string",
+                          "example": "Task not found or does not belong to the specified project"
+                        }
+                      ]
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "500": {
+            "description": "Internal server error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "success": { "type": "boolean", "example": false },
+                    "message": {
+                      "type": "string",
+                      "example": "Internal server error"
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
     }
   },
 
diff --git a/src/routes/task.routes.js b/src/routes/task.routes.js
index 8e283f3..43c501f 100644
--- a/src/routes/task.routes.js
+++ b/src/routes/task.routes.js
@@ -1,6 +1,10 @@
 import { Router } from 'express';
 import { verifyAccessToken } from '../middlewares/auth.middleware.js';
-import { createTask, updateTask } from '../controllers/task.controller.js';
+import {
+  createTask,
+  updateTask,
+  updateTaskPriority,
+} from '../controllers/task.controller.js';
 
 const router = Router();
 
@@ -16,4 +20,10 @@ router.put(
   updateTask,
 );
 
+router.patch(
+  '/api/organization/:organizationId/team/:teamId/project/:projectId/task/:taskId/priority',
+  verifyAccessToken,
+  updateTaskPriority,
+);
+
 export default router;