diff --git a/samples/ingredients/instances/create_start_instance/create_with_existing_disks.py b/samples/ingredients/instances/create_start_instance/create_with_existing_disks.py
index 2affc851d..c4b90a62f 100644
--- a/samples/ingredients/instances/create_start_instance/create_with_existing_disks.py
+++ b/samples/ingredients/instances/create_start_instance/create_with_existing_disks.py
@@ -37,7 +37,7 @@ def create_with_existing_disks(project_id: str, zone: str, instance_name: str, d
     Returns:
         Instance object.
     """
-    assert(len(disk_names) >= 1)
+    assert len(disk_names) >= 1
     disks = [get_disk(project_id, zone, disk_name) for disk_name in disk_names]
     attached_disks = []
     for disk in disks:
diff --git a/samples/requirements-test.txt b/samples/requirements-test.txt
index db25a3839..bbbe35ef9 100644
--- a/samples/requirements-test.txt
+++ b/samples/requirements-test.txt
@@ -1,4 +1,4 @@
 pytest==7.1.2
 pytest-parallel==0.1.1
 flaky==3.7.0
-google-cloud-storage==2.3.0
+google-cloud-storage==2.4.0
diff --git a/samples/requirements.txt b/samples/requirements.txt
index d759b1ec2..97e6e4842 100644
--- a/samples/requirements.txt
+++ b/samples/requirements.txt
@@ -1,3 +1,3 @@
 isort==5.10.1
-black==22.3.0
-google-cloud-compute==1.3.2
+black==22.6.0
+google-cloud-compute==1.4.0
diff --git a/samples/snippets/tests/test_disks.py b/samples/snippets/tests/test_disks.py
index e0d367554..b847bc206 100644
--- a/samples/snippets/tests/test_disks.py
+++ b/samples/snippets/tests/test_disks.py
@@ -42,9 +42,9 @@ def test_disk_create_delete(autodelete_disk_name):
     debian_image = get_image_from_family('debian-cloud', 'debian-11')
 
     disk = create_disk_from_image(PROJECT, ZONE, autodelete_disk_name, disk_type, 17, debian_image.self_link)
-    assert(disk.name == autodelete_disk_name)
-    assert(disk.type_.endswith(disk_type))
-    assert(disk.size_gb == 17)
+    assert disk.name == autodelete_disk_name
+    assert disk.type_.endswith(disk_type)
+    assert disk.size_gb == 17
 
     for i_disk in list_disks(PROJECT, ZONE):
         if i_disk.name == autodelete_disk_name:
diff --git a/samples/snippets/tests/test_snapshots.py b/samples/snippets/tests/test_snapshots.py
index 7e52dcb22..b62978788 100644
--- a/samples/snippets/tests/test_snapshots.py
+++ b/samples/snippets/tests/test_snapshots.py
@@ -45,8 +45,8 @@ def test_disk():
 def test_snapshot_create_delete(test_disk):
     snapshot_name = "test-snapshot-" + uuid.uuid4().hex[:10]
     snapshot = create_snapshot(PROJECT, test_disk.name, snapshot_name, zone=ZONE)
-    assert(snapshot.name == snapshot_name)
-    assert(snapshot.source_disk == test_disk.self_link)
+    assert snapshot.name == snapshot_name
+    assert snapshot.source_disk == test_disk.self_link
     for i_snapshot in list_snapshots(PROJECT):
         if i_snapshot.name == snapshot_name:
             break
diff --git a/setup.py b/setup.py
index cc6624a86..a9752c7ca 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,6 @@
         "google-api-core[grpc] >= 2.8.0, <3.0.0dev",
         "proto-plus >= 1.19.7, <2.0.0dev",
         "protobuf >= 3.19.0, <4.0.0dev",
-        "dataclasses >= 0.6; python_version < '3.7'",
     ),
     python_requires=">=3.7",
     classifiers=[