diff --git a/gitubuntu/versioning.py b/gitubuntu/versioning.py
index ad88cee..bd739d4 100644
--- a/gitubuntu/versioning.py
+++ b/gitubuntu/versioning.py
@@ -205,6 +205,9 @@ def test_next_development_version(test_input, expected):
([], '16.04', '1.0-1ubuntu1', ['1.0-1ubuntu1'], '1.0-1ubuntu1.16.04.1'),
(['1.0-1ubuntu1'], '16.04', '1.0-1ubuntu1', ['1.0.1-ubuntu1'], '1.0-1ubuntu1.16.04.1'),
(['1.0-1ubuntu1'], '16.04', '1.0-1ubuntu1', ['1.0.1-ubuntu2'], '1.0-1ubuntu1.16.04.1'),
+ (['1.0-1ubuntu1.14.04.1'], '16.04', '1.0-1ubuntu1.16.04.1', ['1.0-1ubuntu1.17.10.1'], '1.0-1ubuntu1.16.04.2'),
+ (['1.0-1ubuntu1.14.04.1'], '16.04', '1.0-1ubuntu1', ['1.0-1ubuntu1'], '1.0-1ubuntu1.16.04.1'),
+ (['1.0-1ubuntu1.14.04.1'], '16.04', '1.0-1ubuntu1', ['1.0-1ubuntu1.17.10.1'], '1.0-1ubuntu1.16.04.1'),
])
def test_next_sru_version(before, series, current, after, expected):
assert _next_sru_version(