diff --git a/app/controllers/projects/board_issues_controller.rb b/app/controllers/projects/board_issues_controller.rb
index 297ad7b2941..aededeb8c0a 100644
--- a/app/controllers/projects/board_issues_controller.rb
+++ b/app/controllers/projects/board_issues_controller.rb
@@ -14,7 +14,7 @@ class Projects::BoardIssuesController < Projects::ApplicationController
       only: [:iid, :title, :confidential],
       include: {
         assignee: { only: [:id, :name, :username], methods: [:avatar_url] },
-        labels:   { only: [:id, :title, :color, :priority] }
+        labels:   { only: [:id, :title, :description, :color, :priority] }
       })
   end
 
diff --git a/app/controllers/projects/board_lists_controller.rb b/app/controllers/projects/board_lists_controller.rb
index 8491d5733c3..3cfb08d5822 100644
--- a/app/controllers/projects/board_lists_controller.rb
+++ b/app/controllers/projects/board_lists_controller.rb
@@ -9,7 +9,7 @@ class Projects::BoardListsController < Projects::ApplicationController
     list = Boards::Lists::CreateService.new(project, current_user, list_params).execute
 
     if list.valid?
-      render json: list.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :color, :priority] } })
+      render json: list.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :description, :color, :priority] } })
     else
       render json: list.errors, status: :unprocessable_entity
     end
@@ -39,7 +39,7 @@ class Projects::BoardListsController < Projects::ApplicationController
     service = Boards::Lists::GenerateService.new(project, current_user)
 
     if service.execute
-      render json: project.board.lists.label.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :color, :priority] } })
+      render json: project.board.lists.label.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :description, :color, :priority] } })
     else
       head :unprocessable_entity
     end
diff --git a/app/controllers/projects/boards_controller.rb b/app/controllers/projects/boards_controller.rb
index 862d09fee19..052c15f99d0 100644
--- a/app/controllers/projects/boards_controller.rb
+++ b/app/controllers/projects/boards_controller.rb
@@ -6,7 +6,7 @@ class Projects::BoardsController < Projects::ApplicationController
 
     respond_to do |format|
       format.html
-      format.json { render json: board.lists.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :color, :priority] } }) }
+      format.json { render json: board.lists.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :description, :color, :priority] } }) }
     end
   end
 
diff --git a/spec/fixtures/api/schemas/issue.json b/spec/fixtures/api/schemas/issue.json
index 24bac4fef91..299e4675d6f 100644
--- a/spec/fixtures/api/schemas/issue.json
+++ b/spec/fixtures/api/schemas/issue.json
@@ -14,6 +14,7 @@
       "required": [
         "id",
         "color",
+        "description",
         "title",
         "priority"
       ],
@@ -23,6 +24,7 @@
           "type": "string",
           "pattern": "^#[0-9A-Fa-f]{3}{1,2}+$"
         },
+        "description": { "type": ["string", "null"] },
         "title": { "type": "string" },
         "priority": { "type": ["integer", "null"] }
       }
diff --git a/spec/fixtures/api/schemas/list.json b/spec/fixtures/api/schemas/list.json
index 177754db73a..f070fa3b254 100644
--- a/spec/fixtures/api/schemas/list.json
+++ b/spec/fixtures/api/schemas/list.json
@@ -17,6 +17,7 @@
       "required": [
         "id",
         "color",
+        "description",
         "title",
         "priority"
       ],
@@ -26,6 +27,7 @@
           "type": "string",
           "pattern": "^#[0-9A-Fa-f]{3}{1,2}+$"
         },
+        "description": { "type": ["string", "null"] },
         "title": { "type": "string" },
         "priority": { "type": ["integer", "null"] }
       }