diff --git a/test/test_domain.py b/test/test_domain.py
index 412b409..abef6d1 100644
--- a/test/test_domain.py
+++ b/test/test_domain.py
@@ -17,12 +17,10 @@ sys.path.append(parent)
 # now we can import the module in the parent
 # directory.
 
-from domain import Version, ReleaseType
-from infrastructure import VersionRepository
+from domain import Version, ReleaseType, Release
 
-def test_version(tmp_path):
+def test_version(tmp_path: Path):
     version = Version(tmp_path, [1, 2, 3])
-
     version.increment(ReleaseType.SNAPSHOT)
     assert version.get_version_string() == "1.2.3-SNAPSHOT"
     assert version.version_list == [1, 2, 3]
@@ -51,3 +49,13 @@ def test_version(tmp_path):
     assert version.get_version_string() == "2.0.0"
     assert version.version_list == [2, 0, 0]
     assert not version.is_snapshot
+
+def test_release(tmp_path):
+    version = Version(tmp_path, [1, 2, 3])
+    release = Release(ReleaseType.MINOR, version, "main")
+
+    release_version = release.release_version()
+    assert release_version.get_version_string() in '1.3.0'
+
+    bump_version = release.bump_version()
+    assert bump_version.get_version_string() in "1.3.1-SNAPSHOT"