diff --git a/firestore/cloud-client/requirements.txt b/firestore/cloud-client/requirements.txt
index dd21b3e16df..85829b74e17 100644
--- a/firestore/cloud-client/requirements.txt
+++ b/firestore/cloud-client/requirements.txt
@@ -1 +1 @@
-google-cloud-firestore==1.1.0
+google-cloud-firestore==1.4.0
diff --git a/firestore/cloud-client/snippets.py b/firestore/cloud-client/snippets.py
index c1146b9aabb..d750512bbb0 100644
--- a/firestore/cloud-client/snippets.py
+++ b/firestore/cloud-client/snippets.py
@@ -875,3 +875,11 @@ def collection_group_query(db):
         print(u'{} => {}'.format(doc.id, doc.to_dict()))
     # [END fs_collection_group_query]
     return docs
+
+
+def update_document_increment(db):
+    # [START fs_update_document_increment]
+    washington_ref = db.collection(u'cities').document(u'DC')
+
+    washington_ref.update("population", firestore.Increment(50))
+    # [END fs_update_document_increment]