diff --git a/CHANGELOG b/CHANGELOG
index 785a4bb6713..88b096628c0 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -22,6 +22,7 @@ v 6.7.0
   - Changed markdown new line behaviour to conform to markdown standards
   - Fix global search
   - Faster authorized_keys rebuilding in `rake gitlab:shell:setup` (requires gitlab-shell 1.8.5)
+  - Create and Update MR calls now support the description parameter (Greg Messner)
 
 v 6.6.2
   - Fix 500 error on branch/tag create or remove via UI
diff --git a/lib/api/merge_requests.rb b/lib/api/merge_requests.rb
index 58d2f79faff..e2458198411 100644
--- a/lib/api/merge_requests.rb
+++ b/lib/api/merge_requests.rb
@@ -64,6 +64,7 @@ module API
       #   target_project           - The target project of the merge request defaults to the :id of the project
       #   assignee_id              - Assignee user ID
       #   title (required)         - Title of MR
+      #   description              - Description of MR
       #
       # Example:
       #   POST /projects/:id/merge_requests
@@ -72,7 +73,7 @@ module API
         set_current_user_for_thread do
           authorize! :write_merge_request, user_project
           required_attributes! [:source_branch, :target_branch, :title]
-          attrs = attributes_for_keys [:source_branch, :target_branch, :assignee_id, :title, :target_project_id]
+          attrs = attributes_for_keys [:source_branch, :target_branch, :assignee_id, :title, :target_project_id, :description]
           merge_request = user_project.merge_requests.new(attrs)
           merge_request.author = current_user
           merge_request.source_project = user_project
@@ -105,12 +106,13 @@ module API
       #   assignee_id                 - Assignee user ID
       #   title                       - Title of MR
       #   state_event                 - Status of MR. (close|reopen|merge)
+      #   description                 - Description of MR
       # Example:
       #   PUT /projects/:id/merge_request/:merge_request_id
       #
       put ":id/merge_request/:merge_request_id" do
         set_current_user_for_thread do
-          attrs = attributes_for_keys [:source_branch, :target_branch, :assignee_id, :title, :state_event]
+          attrs = attributes_for_keys [:source_branch, :target_branch, :assignee_id, :title, :state_event, :description]
           merge_request = user_project.merge_requests.find(params[:merge_request_id])
 
           authorize! :modify_merge_request, merge_request
diff --git a/spec/requests/api/merge_requests_spec.rb b/spec/requests/api/merge_requests_spec.rb
index 412b6c95ffa..1a9e4809e7d 100644
--- a/spec/requests/api/merge_requests_spec.rb
+++ b/spec/requests/api/merge_requests_spec.rb
@@ -92,9 +92,10 @@ describe API::API do
 
       it "should return merge_request" do
         post api("/projects/#{fork_project.id}/merge_requests", user2),
-        title: 'Test merge_request', source_branch: "stable", target_branch: "master", author: user2, target_project_id: project.id
+        title: 'Test merge_request', source_branch: "stable", target_branch: "master", author: user2, target_project_id: project.id, description: 'Test description for Test merge_request'
         response.status.should == 201
         json_response['title'].should == 'Test merge_request'
+        json_response['description'].should == 'Test description for Test merge_request'
       end
 
       it "should not return 422 when source_branch equals target_branch" do
@@ -168,6 +169,12 @@ describe API::API do
       json_response['title'].should == 'New title'
     end
 
+    it "should return merge_request" do
+      put api("/projects/#{project.id}/merge_request/#{merge_request.id}", user), description: "New description"
+      response.status.should == 200
+      json_response['description'].should == 'New description'
+    end
+
     it "should return 422 when source_branch and target_branch are renamed the same" do
       put api("/projects/#{project.id}/merge_request/#{merge_request.id}", user),
       source_branch: "master", target_branch: "master"