diff --git a/test.py b/test.py
index ccda3b5..fabc95f 100644
--- a/test.py
+++ b/test.py
@@ -78,8 +78,11 @@ def test_parse_version(version, parsed_version):
     (Version(1, 0, None, None, None), '1.0.0'),
     (Version(2, 1, 0, None, None), '2.1.0'),
     (Version(2, 1, 0, None, 'build1'), '2.1.0+build1'),
+    (Version(2, 1, 0, None, 'snapshot-preview-build1'), '2.1.0+snapshot_preview_build1'),
     (Version(2, 1, 0, 'alpha1', None), '2.1.0-alpha1'),
+    (Version(2, 1, 0, 'snapshot-preview-alpha1', None), '2.1.0-snapshot_preview_alpha1'),
     (Version(2, 1, 0, 'alpha1', 'build1'), '2.1.0-alpha1+build1'),
+    (Version(2, 1, 0, 'snapshot-preview-alpha1', 'snapshot-preview-build1'), '2.1.0-snapshot_preview_alpha1+snapshot_preview_build1'),
 ])
 def test_unparse_version(parsed_version, version):
     result = rust2rpm.metadata.CargoSemVer.unparse_version(parsed_version)
@@ -89,8 +92,11 @@ def test_unparse_version(parsed_version, version):
 @pytest.mark.parametrize('parsed_version, version', [
     (Version(2, 1, 0, None, None), '2.1.0'),
     (Version(2, 1, 0, None, 'build1'), '2.1.0+build1'),
+    (Version(2, 1, 0, None, 'snapshot-preview-build1'), '2.1.0+snapshot_preview_build1'),
     (Version(2, 1, 0, 'alpha1', None), '2.1.0~alpha1'),
+    (Version(2, 1, 0, 'snapshot-preview-alpha1', None), '2.1.0~snapshot_preview_alpha1'),
     (Version(2, 1, 0, 'alpha1', 'build1'), '2.1.0~alpha1+build1'),
+    (Version(2, 1, 0, 'snapshot-preview-alpha1', 'snapshot-preview-build1'), '2.1.0~snapshot_preview_alpha1+snapshot_preview_build1'),
 ])
 def test_unparse_version_sep(parsed_version, version):
     result = rust2rpm.metadata.CargoSemVer.unparse_version(