diff --git a/src/main/java/org/gitlab4j/api/models/Environment.java b/src/main/java/org/gitlab4j/api/models/Environment.java
index 064037a8..36ca1c1f 100644
--- a/src/main/java/org/gitlab4j/api/models/Environment.java
+++ b/src/main/java/org/gitlab4j/api/models/Environment.java
@@ -1,6 +1,7 @@
 package org.gitlab4j.api.models;
 
 import java.io.Serializable;
+import java.util.Date;
 
 import org.gitlab4j.api.utils.JacksonJson;
 import org.gitlab4j.api.utils.JacksonJsonEnumHelper;
@@ -41,6 +42,7 @@ public String toString() {
     private String tier;
     private EnvironmentState state;
     private Deployment lastDeployment;
+    private Date autoStopAt;
 
     public Long getId() {
         return id;
@@ -98,6 +100,14 @@ public void setLastDeployment(Deployment lastDeployment) {
         this.lastDeployment = lastDeployment;
     }
 
+    public Date getAutoStopAt() {
+        return autoStopAt;
+    }
+
+    public void setAutoStopAt(Date autoStopAt) {
+        this.autoStopAt = autoStopAt;
+    }
+
     @Override
     public String toString() {
         return (JacksonJson.toJsonString(this));
diff --git a/src/main/java/org/gitlab4j/api/webhook/DeploymentEvent.java b/src/main/java/org/gitlab4j/api/webhook/DeploymentEvent.java
index b1ba2a5d..b777ca21 100644
--- a/src/main/java/org/gitlab4j/api/webhook/DeploymentEvent.java
+++ b/src/main/java/org/gitlab4j/api/webhook/DeploymentEvent.java
@@ -12,6 +12,7 @@ public class DeploymentEvent extends AbstractEvent {
     private String status;
     private String statusChangedAt;
     private Long deployableId;
+    private Long deploymentId;
     private String deployableUrl;
     private String environment;
     private EventProject project;
@@ -55,6 +56,14 @@ public void setDeployableId(Long deployableId) {
         this.deployableId = deployableId;
     }
 
+    public Long getDeploymentId() {
+        return deploymentId;
+    }
+
+    public void setDeploymentId(Long deploymentId) {
+        this.deploymentId = deploymentId;
+    }
+
     public String getDeployableUrl() {
         return deployableUrl;
     }
diff --git a/src/test/java/org/gitlab4j/api/TestGitLabApiEvents.java b/src/test/java/org/gitlab4j/api/TestGitLabApiEvents.java
index 215fd797..7310b073 100644
--- a/src/test/java/org/gitlab4j/api/TestGitLabApiEvents.java
+++ b/src/test/java/org/gitlab4j/api/TestGitLabApiEvents.java
@@ -26,6 +26,7 @@
 import org.gitlab4j.api.utils.JacksonJson;
 import org.gitlab4j.api.webhook.BuildEvent;
 import org.gitlab4j.api.webhook.ChangeContainer;
+import org.gitlab4j.api.webhook.DeploymentEvent;
 import org.gitlab4j.api.webhook.Event;
 import org.gitlab4j.api.webhook.IssueEvent;
 import org.gitlab4j.api.webhook.JobEvent;
@@ -65,6 +66,12 @@ public static void teardown() {
         GitLabApi.getLogger().setLevel(savedLevel);
     }
 
+    @Test
+    public void testDeploymentEvent() throws Exception {
+        Event event = unmarshalResource(DeploymentEvent.class, "deployment-event.json");
+        assertTrue(compareJson(event, "deployment-event.json"));
+    }
+
     @Test
     public void testIssueEvent() throws Exception {
 
diff --git a/src/test/resources/org/gitlab4j/api/deployment-event.json b/src/test/resources/org/gitlab4j/api/deployment-event.json
new file mode 100644
index 00000000..253d661d
--- /dev/null
+++ b/src/test/resources/org/gitlab4j/api/deployment-event.json
@@ -0,0 +1,37 @@
+{
+  "commit_title": "Add new file",
+  "commit_url": "http://10.126.0.2:3000/root/test-deployment-webhooks/-/commit/279484c09fbe69ededfced8c1bb6e6d24616b468",
+  "deployment_id": 15,
+  "deployable_id": 796,
+  "deployable_url": "http://10.126.0.2:3000/root/test-deployment-webhooks/-/jobs/796",
+  "environment": "staging",
+  "object_kind": "deployment",
+  "project": {
+    "ci_config_path": "",
+    "default_branch": "master",
+    "description": "",
+    "git_http_url": "http://10.126.0.2:3000/root/test-deployment-webhooks.git",
+    "git_ssh_url": "ssh://vlad@10.126.0.2:2222/root/test-deployment-webhooks.git",
+    "homepage": "http://10.126.0.2:3000/root/test-deployment-webhooks",
+    "http_url": "http://10.126.0.2:3000/root/test-deployment-webhooks.git",
+    "id": 30,
+    "name": "test-deployment-webhooks",
+    "namespace": "Administrator",
+    "path_with_namespace": "root/test-deployment-webhooks",
+    "ssh_url": "ssh://vlad@10.126.0.2:2222/root/test-deployment-webhooks.git",
+    "url": "ssh://vlad@10.126.0.2:2222/root/test-deployment-webhooks.git",
+    "visibility_level": 0,
+    "web_url": "http://10.126.0.2:3000/root/test-deployment-webhooks"
+  },
+  "short_sha": "279484c0",
+  "status": "success",
+  "status_changed_at": "2021-04-28 21:50:00 +0200",
+  "user": {
+    "avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon",
+    "email": "admin@example.com",
+    "id": 1,
+    "name": "Administrator",
+    "username": "root"
+  },
+  "user_url": "http://10.126.0.2:3000/root"
+}
diff --git a/src/test/resources/org/gitlab4j/api/environment.json b/src/test/resources/org/gitlab4j/api/environment.json
index ff77773d..e3a02042 100644
--- a/src/test/resources/org/gitlab4j/api/environment.json
+++ b/src/test/resources/org/gitlab4j/api/environment.json
@@ -5,6 +5,7 @@
   "external_url": "https://review-fix-foo-dfjre3.example.gitlab.com",
   "state": "available",
   "tier": "testing",
+  "auto_stop_at": "2024-11-27T13:34:49.812Z",
   "last_deployment": {
     "id": 100,
     "iid": 34,