diff --git a/src/event.rs b/src/event.rs
index 058aaf1..5917b28 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -6,17 +6,18 @@ pub trait GitlabEventExt {
     fn title(&self) -> String;
 }
 
+#[derive(Debug, Deserialize)]
+pub struct User {
+    name: String,
+}
+
 #[derive(Debug, Deserialize)]
 pub struct Project {
-    pub id: u64,
     pub name: String,
     pub description: String,
     pub web_url: String,
     pub avatar_url: Option<String>,
-    pub git_ssh_url: String,
-    pub git_http_url: String,
     pub namespace: String,
-    pub visibility_level: u32,
     pub path_with_namespace: String,
     pub default_branch: String,
     pub homepage: String,
@@ -31,9 +32,6 @@ pub struct Repository {
     pub url: String,
     pub description: String,
     pub homepage: String,
-    pub git_http_url: String,
-    pub git_ssh_url: String,
-    pub visibility_level: u32,
 }
 
 #[derive(Debug, Deserialize)]
@@ -43,6 +41,40 @@ pub struct Commit {
     pub url: String,
 }
 
+#[derive(PartialEq, Debug, Deserialize)]
+pub enum MergeRequestAction {
+    #[serde(rename = "open")]
+    Opened,
+    #[serde(rename = "close")]
+    Closed,
+    #[serde(rename = "merge")]
+    Merged,
+    #[serde(other)]
+    Other,
+}
+
+impl MergeRequestAction {
+    pub fn as_str(&self) -> &str {
+        match self {
+            MergeRequestAction::Opened => "opened",
+            MergeRequestAction::Closed => "closed",
+            MergeRequestAction::Merged => "merged",
+            MergeRequestAction::Other => "other",
+        }
+    }
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ObjectAttributes {
+    pub target_branch: String,
+    pub source_branch: String,
+    pub title: String,
+    pub url: String,
+    pub source: Project,
+    pub target: Project,
+    pub action: MergeRequestAction,
+}
+
 #[derive(Debug, Deserialize)]
 #[serde(tag = "object_kind")]
 pub enum GitlabEvent {
@@ -82,6 +114,13 @@ pub enum GitlabEvent {
         commits: Vec<Commit>,
         total_commits_count: u64,
     },
+    #[serde(rename = "merge_request")]
+    MergeRequest {
+        user: User,
+        project: Project,
+        repository: Repository,
+        object_attributes: ObjectAttributes,
+    },
 }
 
 impl GitlabEventExt for GitlabEvent {
@@ -89,6 +128,7 @@ impl GitlabEventExt for GitlabEvent {
         match self {
             GitlabEvent::Push { project, .. } => &project,
             GitlabEvent::TagPush { project, .. } => &project,
+            GitlabEvent::MergeRequest { project, .. } => &project,
         }
     }
 
@@ -96,6 +136,7 @@ impl GitlabEventExt for GitlabEvent {
         match self {
             GitlabEvent::Push { r#ref, .. } => &r#ref,
             GitlabEvent::TagPush { r#ref, .. } => &r#ref,
+            GitlabEvent::MergeRequest { object_attributes, .. } => &object_attributes.target_branch,
         }
     }
 
@@ -103,6 +144,7 @@ impl GitlabEventExt for GitlabEvent {
         match self {
             GitlabEvent::Push { user_name, .. } => &user_name,
             GitlabEvent::TagPush { user_name, .. } => &user_name,
+            GitlabEvent::MergeRequest { user, .. } => &user.name,
         }
     }
 
@@ -118,6 +160,7 @@ impl GitlabEventExt for GitlabEvent {
                 let refname = r#ref.split('/').into_iter().last().unwrap_or(checkout_sha);
                 format!("{}/-/tags/{}", project.web_url, refname)
             }
+            GitlabEvent::MergeRequest { object_attributes, .. } => object_attributes.url.clone(),
         };
 
         url.replace("http://", "https://").to_string()
@@ -137,6 +180,9 @@ impl GitlabEventExt for GitlabEvent {
             } => find_commit(commits, &checkout_sha)
                 .map(|commit| commit.title.clone())
                 .unwrap_or_else(|| "New tag pushed".to_string()),
+            GitlabEvent::MergeRequest { object_attributes, .. } => {
+                format!("MR {}: {}", object_attributes.action.as_str(), object_attributes.title)
+            }
         }
     }
 }
@@ -221,4 +267,24 @@ mod test {
 
         Ok(())
     }
+
+    #[test]
+    pub fn parse_merge_request_event() -> anyhow::Result<()> {
+        let event = load_test_data("merge-request-event")?;
+
+        match event {
+            GitlabEvent::MergeRequest {
+                user,
+                object_attributes,
+                ..
+            } => {
+                assert_eq!(user.name, "Administrator");
+                assert_eq!(object_attributes.action, MergeRequestAction::Opened);
+                assert_eq!(object_attributes.title, "MS-Viewport");
+            }
+            _ => panic!("not a merge request event"),
+        };
+
+        Ok(())
+    }
 }
diff --git a/test-data/merge-request-event.json b/test-data/merge-request-event.json
new file mode 100644
index 0000000..68f6ad4
--- /dev/null
+++ b/test-data/merge-request-event.json
@@ -0,0 +1,200 @@
+{
+  "object_kind": "merge_request",
+  "event_type": "merge_request",
+  "user": {
+    "id": 1,
+    "name": "Administrator",
+    "username": "root",
+    "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon",
+    "email": "admin@example.com"
+  },
+  "project": {
+    "id": 1,
+    "name":"Gitlab Test",
+    "description":"Aut reprehenderit ut est.",
+    "web_url":"http://example.com/gitlabhq/gitlab-test",
+    "avatar_url":null,
+    "git_ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
+    "git_http_url":"http://example.com/gitlabhq/gitlab-test.git",
+    "namespace":"GitlabHQ",
+    "visibility_level":20,
+    "path_with_namespace":"gitlabhq/gitlab-test",
+    "default_branch":"master",
+    "ci_config_path":"",
+    "homepage":"http://example.com/gitlabhq/gitlab-test",
+    "url":"http://example.com/gitlabhq/gitlab-test.git",
+    "ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
+    "http_url":"http://example.com/gitlabhq/gitlab-test.git"
+  },
+  "repository": {
+    "name": "Gitlab Test",
+    "url": "http://example.com/gitlabhq/gitlab-test.git",
+    "description": "Aut reprehenderit ut est.",
+    "homepage": "http://example.com/gitlabhq/gitlab-test"
+  },
+  "object_attributes": {
+    "id": 99,
+    "iid": 1,
+    "target_branch": "master",
+    "source_branch": "ms-viewport",
+    "source_project_id": 14,
+    "author_id": 51,
+    "assignee_ids": [6],
+    "assignee_id": 6,
+    "reviewer_ids": [6],
+    "title": "MS-Viewport",
+    "created_at": "2013-12-03T17:23:34Z",
+    "updated_at": "2013-12-03T17:23:34Z",
+    "last_edited_at": "2013-12-03T17:23:34Z",
+    "last_edited_by_id": 1,
+    "milestone_id": null,
+    "state_id": 1,
+    "state": "opened",
+    "blocking_discussions_resolved": true,
+    "work_in_progress": false,
+    "draft": false,
+    "first_contribution": true,
+    "merge_status": "unchecked",
+    "target_project_id": 14,
+    "description": "",
+    "total_time_spent": 1800,
+    "time_change": 30,
+    "human_total_time_spent": "30m",
+    "human_time_change": "30s",
+    "human_time_estimate": "30m",
+    "url": "http://example.com/diaspora/merge_requests/1",
+    "source": {
+      "name":"Awesome Project",
+      "description":"Aut reprehenderit ut est.",
+      "web_url":"http://example.com/awesome_space/awesome_project",
+      "avatar_url":null,
+      "git_ssh_url":"git@example.com:awesome_space/awesome_project.git",
+      "git_http_url":"http://example.com/awesome_space/awesome_project.git",
+      "namespace":"Awesome Space",
+      "visibility_level":20,
+      "path_with_namespace":"awesome_space/awesome_project",
+      "default_branch":"master",
+      "homepage":"http://example.com/awesome_space/awesome_project",
+      "url":"http://example.com/awesome_space/awesome_project.git",
+      "ssh_url":"git@example.com:awesome_space/awesome_project.git",
+      "http_url":"http://example.com/awesome_space/awesome_project.git"
+    },
+    "target": {
+      "name":"Awesome Project",
+      "description":"Aut reprehenderit ut est.",
+      "web_url":"http://example.com/awesome_space/awesome_project",
+      "avatar_url":null,
+      "git_ssh_url":"git@example.com:awesome_space/awesome_project.git",
+      "git_http_url":"http://example.com/awesome_space/awesome_project.git",
+      "namespace":"Awesome Space",
+      "visibility_level":20,
+      "path_with_namespace":"awesome_space/awesome_project",
+      "default_branch":"master",
+      "homepage":"http://example.com/awesome_space/awesome_project",
+      "url":"http://example.com/awesome_space/awesome_project.git",
+      "ssh_url":"git@example.com:awesome_space/awesome_project.git",
+      "http_url":"http://example.com/awesome_space/awesome_project.git"
+    },
+    "last_commit": {
+      "id": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
+      "message": "fixed readme",
+      "title": "Update file README.md",
+      "timestamp": "2012-01-03T23:36:29+02:00",
+      "url": "http://example.com/awesome_space/awesome_project/commits/da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
+      "author": {
+        "name": "GitLab dev user",
+        "email": "gitlabdev@dv6700.(none)"
+      }
+    },
+    "labels": [{
+      "id": 206,
+      "title": "API",
+      "color": "#ffffff",
+      "project_id": 14,
+      "created_at": "2013-12-03T17:15:43Z",
+      "updated_at": "2013-12-03T17:15:43Z",
+      "template": false,
+      "description": "API related issues",
+      "type": "ProjectLabel",
+      "group_id": 41
+    }],
+    "action": "open",
+    "detailed_merge_status": "mergeable"
+  },
+  "labels": [{
+    "id": 206,
+    "title": "API",
+    "color": "#ffffff",
+    "project_id": 14,
+    "created_at": "2013-12-03T17:15:43Z",
+    "updated_at": "2013-12-03T17:15:43Z",
+    "template": false,
+    "description": "API related issues",
+    "type": "ProjectLabel",
+    "group_id": 41
+  }],
+  "changes": {
+    "updated_by_id": {
+      "previous": null,
+      "current": 1
+    },
+    "draft": {
+      "previous": true,
+      "current": false
+    },
+    "updated_at": {
+      "previous": "2017-09-15 16:50:55 UTC",
+      "current":"2017-09-15 16:52:00 UTC"
+    },
+    "labels": {
+      "previous": [{
+        "id": 206,
+        "title": "API",
+        "color": "#ffffff",
+        "project_id": 14,
+        "created_at": "2013-12-03T17:15:43Z",
+        "updated_at": "2013-12-03T17:15:43Z",
+        "template": false,
+        "description": "API related issues",
+        "type": "ProjectLabel",
+        "group_id": 41
+      }],
+      "current": [{
+        "id": 205,
+        "title": "Platform",
+        "color": "#123123",
+        "project_id": 14,
+        "created_at": "2013-12-03T17:15:43Z",
+        "updated_at": "2013-12-03T17:15:43Z",
+        "template": false,
+        "description": "Platform related issues",
+        "type": "ProjectLabel",
+        "group_id": 41
+      }]
+    },
+    "last_edited_at": {
+      "previous": null,
+      "current": "2023-03-15 00:00:10 UTC"
+    },
+    "last_edited_by_id": {
+      "previous": null,
+      "current": 3278533
+    }
+  },
+  "assignees": [
+    {
+      "id": 6,
+      "name": "User1",
+      "username": "user1",
+      "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
+    }
+  ],
+  "reviewers": [
+    {
+      "id": 6,
+      "name": "User1",
+      "username": "user1",
+      "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
+    }
+  ]
+}