diff --git a/src/controllers/organization.controller.js b/src/controllers/organization.controller.js
index 4b65113..9d8ec6d 100644
--- a/src/controllers/organization.controller.js
+++ b/src/controllers/organization.controller.js
@@ -147,14 +147,14 @@ export const resendOTP = async (req, res, next) => {
       });
     }
 
-    const org = await prisma.organization.findFirst({
+    const org = await prisma.organization.findUnique({
       where: { id: orgId },
     });
 
     if (!org) {
       return res.status(404).json({
         success: false,
-        message: 'This organization not found',
+        message: 'Organization not found',
       });
     }
 
@@ -176,7 +176,7 @@ export const resendOTP = async (req, res, next) => {
       await sendEmail({
         to: org.contactEmail,
         subject: 'Re-verify Your Organization Email',
-        text: `Organization name: ${org.name}\nYour verification code is: ${verificationOTP}. will expire in 10 min`,
+        text: `Organization name: ${org.name}\nYour verification code is: ${verificationOTP}. It will expire in 10 minutes`,
       });
     } catch (emailError) {
       return res.status(500).json({
diff --git a/src/controllers/team.controller.js b/src/controllers/team.controller.js
index 6ed8ae6..de56c7c 100644
--- a/src/controllers/team.controller.js
+++ b/src/controllers/team.controller.js
@@ -2,6 +2,7 @@ import prisma from '../config/prismaClient.js';
 import {
   addTeamMemberValidation,
   createTeamValidation,
+  updateTeamValidation,
 } from '../validations/team.validation.js';
 
 /**
@@ -398,3 +399,122 @@ export const addTeamMember = async (req, res, next) => {
     next(error);
   }
 };
+
+/**
+ * @desc   Update a team
+ * @route  /api/organization/:organizationId/department/:departmentId/team/:teamId
+ * @method PUT
+ * @access private - admins or organization owners only
+ */
+export const updateTeam = async (req, res, next) => {
+  try {
+    const { organizationId, departmentId, teamId } = req.params;
+
+    if (!organizationId || !departmentId || !teamId) {
+      return res.status(400).json({
+        success: false,
+        message: 'Organization ID, Department ID, and Team ID are required',
+      });
+    }
+
+    // Check if organization exists and is not deleted
+    const existingOrg = await prisma.organization.findFirst({
+      where: {
+        id: organizationId,
+        deletedAt: null,
+      },
+      include: {
+        owners: {
+          select: {
+            userId: true,
+          },
+        },
+      },
+    });
+
+    if (!existingOrg) {
+      return res.status(404).json({
+        success: false,
+        message: 'Organization not found',
+      });
+    }
+
+    // Check if department exists and is not deleted
+    const existingDep = await prisma.department.findFirst({
+      where: {
+        id: departmentId,
+        deletedAt: null,
+      },
+      select: { managerId: true },
+    });
+
+    if (!existingDep) {
+      return res.status(404).json({
+        success: false,
+        message: 'Department not found',
+      });
+    }
+
+    // Check if team exists and is not deleted
+    const team = await prisma.team.findFirst({
+      where: {
+        id: teamId,
+        organizationId,
+        deletedAt: null,
+      },
+      select: {
+        id: true,
+        name: true,
+        description: true,
+        createdBy: true,
+      },
+    });
+    if (!team) {
+      return res.status(404).json({
+        success: false,
+        message: 'Team not found',
+      });
+    }
+
+    // TODO: Extract all permission checks into a helper function like hasTeamAddPermission(user, org, dep, team) to simplify controller logic.
+    // Check permissions - only admins and organization owners
+    const isAdmin = req.user.role === 'ADMIN';
+    const isOwner = existingOrg.owners.some(
+      (owner) => owner.userId === req.user.id,
+    );
+    const isDepManager = existingDep.managerId === req.user.id;
+    const isTeamManager = team.createdBy === req.user.id;
+
+    if (!isAdmin && !isOwner && !isDepManager && !isTeamManager) {
+      return res.status(403).json({
+        success: false,
+        message:
+          'You do not have permission to update this team in this department',
+      });
+    }
+
+    // Validate input
+    const { error } = updateTeamValidation(req.body);
+    if (error) {
+      return res.status(400).json({
+        success: false,
+        message: 'Validation failed',
+        errors: error.details.map((e) => e.message),
+      });
+    }
+
+    const { name, description, avatar } = req.body;
+
+    const updatedTeam = await prisma.team.update({
+      where: { id: teamId },
+      data: { name, description, avatar },
+    });
+
+    res.status(200).json({
+      success: true,
+      team: updatedTeam,
+    });
+  } catch (error) {
+    next(error);
+  }
+};
diff --git a/src/docs/swagger.json b/src/docs/swagger.json
index 16dcaaa..57968bb 100644
--- a/src/docs/swagger.json
+++ b/src/docs/swagger.json
@@ -1866,6 +1866,159 @@
           }
         }
       }
+    },
+    "/api/organization/{organizationId}/department/{departmentId}/team/{teamId}": {
+      "put": {
+        "tags": ["Team"],
+        "summary": "Update a team",
+        "description": "Update team details. Requires admin privileges, organization ownership, department management, or team leadership rights.",
+        "operationId": "updateTeam",
+        "security": [{ "bearerAuth": [] }],
+        "parameters": [
+          {
+            "name": "organizationId",
+            "in": "path",
+            "required": true,
+            "description": "ID of the organization",
+            "schema": {
+              "type": "string",
+              "format": "uuid"
+            }
+          },
+          {
+            "name": "departmentId",
+            "in": "path",
+            "required": true,
+            "description": "ID of the department",
+            "schema": {
+              "type": "string",
+              "format": "uuid"
+            }
+          },
+          {
+            "name": "teamId",
+            "in": "path",
+            "required": true,
+            "description": "ID of the team to update",
+            "schema": {
+              "type": "string",
+              "format": "uuid"
+            }
+          }
+        ],
+        "requestBody": {
+          "description": "Team update data",
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/UpdateTeamRequest"
+              },
+              "examples": {
+                "basicUpdate": {
+                  "value": {
+                    "name": "Updated Team Name",
+                    "description": "Updated team description",
+                    "avatar": "https://example.com/new-team-avatar.jpg"
+                  }
+                },
+                "nameOnly": {
+                  "value": {
+                    "name": "New Team Name"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "Team updated successfully",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UpdateTeamResponse"
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "Bad request - validation error or missing parameters",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "examples": {
+                  "validationError": {
+                    "value": {
+                      "success": false,
+                      "message": "Validation failed",
+                      "errors": ["\"name\" must be at least 2 characters long"]
+                    }
+                  },
+                  "missingParams": {
+                    "value": {
+                      "success": false,
+                      "message": "Organization ID, Department ID, and Team ID are required"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "403": {
+            "description": "Forbidden - insufficient permissions",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "Organization, department or team not found",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "examples": {
+                  "orgNotFound": {
+                    "value": {
+                      "success": false,
+                      "message": "Organization not found"
+                    }
+                  },
+                  "depNotFound": {
+                    "value": {
+                      "success": false,
+                      "message": "Department not found"
+                    }
+                  },
+                  "teamNotFound": {
+                    "value": {
+                      "success": false,
+                      "message": "Team not found"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "500": {
+            "description": "Internal server error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                }
+              }
+            }
+          }
+        }
+      }
     }
   },
   "components": {
@@ -3402,6 +3555,80 @@
             }
           }
         }
+      },
+      "UpdateTeamRequest": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string",
+            "minLength": 2,
+            "maxLength": 100,
+            "example": "Updated Team Name"
+          },
+          "description": {
+            "type": "string",
+            "maxLength": 500,
+            "example": "Updated team description"
+          },
+          "avatar": {
+            "type": "string",
+            "format": "uri",
+            "example": "https://example.com/new-team-avatar.jpg"
+          }
+        },
+        "anyOf": [
+          { "required": ["name"] },
+          { "required": ["description"] },
+          { "required": ["avatar"] }
+        ]
+      },
+      "UpdateTeamResponse": {
+        "type": "object",
+        "properties": {
+          "success": {
+            "type": "boolean",
+            "example": true
+          },
+          "team": {
+            "type": "object",
+            "properties": {
+              "id": {
+                "type": "string",
+                "format": "uuid"
+              },
+              "name": {
+                "type": "string"
+              },
+              "description": {
+                "type": "string"
+              },
+              "avatar": {
+                "type": "string",
+                "format": "uri"
+              },
+              "organizationId": {
+                "type": "string",
+                "format": "uuid"
+              },
+              "departmentId": {
+                "type": "string",
+                "format": "uuid"
+              },
+              "createdBy": {
+                "type": "string",
+                "format": "uuid"
+              },
+              "createdAt": {
+                "type": "string",
+                "format": "date-time"
+              },
+              "updatedAt": {
+                "type": "string",
+                "format": "date-time"
+              }
+            }
+          }
+        }
       }
     }
   }
diff --git a/src/routes/team.routes.js b/src/routes/team.routes.js
index f133852..850063f 100644
--- a/src/routes/team.routes.js
+++ b/src/routes/team.routes.js
@@ -1,6 +1,10 @@
 import { Router } from 'express';
 import { verifyAccessToken } from '../middlewares/auth.middleware.js';
-import { addTeamMember, createTeam } from '../controllers/team.controller.js';
+import {
+  addTeamMember,
+  createTeam,
+  updateTeam,
+} from '../controllers/team.controller.js';
 
 const router = Router();
 
@@ -16,4 +20,10 @@ router.post(
   addTeamMember,
 );
 
+router.put(
+  '/api/organization/:organizationId/department/:departmentId/team/:teamId',
+  verifyAccessToken,
+  updateTeam,
+);
+
 export default router;
diff --git a/src/validations/team.validation.js b/src/validations/team.validation.js
index f0b838c..22320a4 100644
--- a/src/validations/team.validation.js
+++ b/src/validations/team.validation.js
@@ -61,3 +61,24 @@ export const addTeamMemberValidation = (obj) => {
 
   return schema.validate(obj, { abortEarly: false });
 };
+
+export const updateTeamValidation = (obj) => {
+  const schema = Joi.object({
+    name: Joi.string().min(2).max(100).optional().trim().messages({
+      'string.base': 'Team name must be a string',
+      'string.empty': 'Team name is required if provided',
+      'string.min': 'Team name must be at least {#limit} characters long',
+      'string.max': 'Team name cannot exceed {#limit} characters',
+    }),
+
+    description: Joi.string().allow('').optional().messages({
+      'string.base': 'Description must be a string',
+    }),
+
+    avatar: Joi.string().allow(null, '').optional().messages({
+      'string.base': 'Avatar must be a string URL or file path',
+    }),
+  });
+
+  return schema.validate(obj, { abortEarly: false });
+};