diff --git a/changelogs/unreleased/dturner-username.yml b/changelogs/unreleased/dturner-username.yml
new file mode 100644
index 0000000000000000000000000000000000000000..09ba822ee658e768ee5ea42e1c931e80a8c6331d
--- /dev/null
+++ b/changelogs/unreleased/dturner-username.yml
@@ -0,0 +1,4 @@
+---
+title: add username field to push webhook
+merge_request:
+author: David Turner
diff --git a/doc/user/project/integrations/webhooks.md b/doc/user/project/integrations/webhooks.md
index e15daa2feae1b93582282d09d058b3f7d9ffa537..48d49c5d40cea293c1715e568d4e2df0ef1bf3b8 100644
--- a/doc/user/project/integrations/webhooks.md
+++ b/doc/user/project/integrations/webhooks.md
@@ -74,6 +74,7 @@ X-Gitlab-Event: Push Hook
   "checkout_sha": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
   "user_id": 4,
   "user_name": "John Smith",
+  "user_username": "jsmith",
   "user_email": "john@example.com",
   "user_avatar": "https://s.gravatar.com/avatar/d4c74594d841139328695756648b6bd6?s=8://s.gravatar.com/avatar/d4c74594d841139328695756648b6bd6?s=80",
   "project_id": 15,
diff --git a/lib/gitlab/data_builder/push.rb b/lib/gitlab/data_builder/push.rb
index 1ff34553f0ad78c9335b4cd92a1be4f6d0fd9c3c..e81d19a7a2e43d1bf7772d565c551e4f1b3bca2f 100644
--- a/lib/gitlab/data_builder/push.rb
+++ b/lib/gitlab/data_builder/push.rb
@@ -11,6 +11,7 @@ module Gitlab
       #   ref: String,
       #   user_id: String,
       #   user_name: String,
+      #   user_username: String,
       #   user_email: String
       #   project_id: String,
       #   repository: {
@@ -51,6 +52,7 @@ module Gitlab
           message: message,
           user_id: user.id,
           user_name: user.name,
+          user_username: user.username,
           user_email: user.email,
           user_avatar: user.avatar_url,
           project_id: project.id,
diff --git a/spec/lib/gitlab/data_builder/push_spec.rb b/spec/lib/gitlab/data_builder/push_spec.rb
index dbcfb9b7400ad7c4ca525cf1b1658d9e9fc5e198..e59cba35b2feb737bfe06cc20f4d2c5113eccec1 100644
--- a/spec/lib/gitlab/data_builder/push_spec.rb
+++ b/spec/lib/gitlab/data_builder/push_spec.rb
@@ -35,6 +35,7 @@ describe Gitlab::DataBuilder::Push, lib: true do
     it { expect(data[:ref]).to eq('refs/tags/v1.1.0') }
     it { expect(data[:user_id]).to eq(user.id) }
     it { expect(data[:user_name]).to eq(user.name) }
+    it { expect(data[:user_username]).to eq(user.username) }
     it { expect(data[:user_email]).to eq(user.email) }
     it { expect(data[:user_avatar]).to eq(user.avatar_url) }
     it { expect(data[:project_id]).to eq(project.id) }