diff --git a/rocketchat_API/APISections/groups.py b/rocketchat_API/APISections/groups.py
index fc56bc4..a2c71e5 100644
--- a/rocketchat_API/APISections/groups.py
+++ b/rocketchat_API/APISections/groups.py
@@ -106,6 +106,15 @@ def groups_rename(self, room_id, name, **kwargs):
             "groups.rename", roomId=room_id, name=name, kwargs=kwargs
         )
 
+    def groups_set_announcement(self, room_id, announcement, **kwargs):
+        """Sets the announcement for the private group."""
+        return self.call_api_post(
+            "groups.setAnnouncement",
+            roomId=room_id,
+            announcement=announcement,
+            kwargs=kwargs,
+        )
+
     def groups_set_description(self, room_id, description, **kwargs):
         """Sets the description for the private group."""
         return self.call_api_post(
diff --git a/tests/test_groups.py b/tests/test_groups.py
index 4b589ca..277643a 100644
--- a/tests/test_groups.py
+++ b/tests/test_groups.py
@@ -200,6 +200,17 @@ def test_groups_rename(logged_rocket):
     assert groups_rename.get("group").get("name") == name2
 
 
+def test_groups_set_announcement(logged_rocket, test_group_id):
+    announcement = str(uuid.uuid1())
+    groups_set_announcement = logged_rocket.groups_set_announcement(
+        test_group_id, announcement
+    ).json()
+    assert groups_set_announcement.get("success")
+    assert (
+        groups_set_announcement.get("announcement") == announcement
+    ), "Announcement does not match"
+
+
 def test_groups_set_description(logged_rocket, test_group_id):
     description = str(uuid.uuid1())
     groups_set_description = logged_rocket.groups_set_description(