diff --git a/semver/get_version.py b/semver/get_version.py
index 6714991..0535a67 100644
--- a/semver/get_version.py
+++ b/semver/get_version.py
@@ -23,7 +23,7 @@ def get_tag_version():
     version = get_file_version(config)
     
     # If a version is found in tags, use that the lastest tagged version
-    tagged_versions = subprocess.Popen(['git','tag','--sort=taggerdate', '-l',tag_expression],
+    tagged_versions = subprocess.Popen(['git','tag','--sort=v:refname', '-l',tag_expression],
         stdout=subprocess.PIPE, stderr=DEVNULL, cwd=".").stdout.read().decode('utf-8').rstrip().split('\n')
     if len(tagged_versions) > 0 and tagged_versions[-1] != "":
         version = tagged_versions[-1]
diff --git a/semver/tests.py b/semver/tests.py
index ac6555c..a391131 100644
--- a/semver/tests.py
+++ b/semver/tests.py
@@ -74,6 +74,35 @@ class TestGetTagVersion(unittest.TestCase):
         subprocess.call(['git', 'tag', '1.0.0'])
         tag = get_version.get_tag_version()
         self.assertEqual(tag, "1.0.0")
+    def test_get_version_multiple(self):
+        create_git_environment()
+        subprocess.call(['git', 'tag', '0.1.0'])
+        subprocess.call(['git', 'tag', '0.1.1'])
+        subprocess.call(['git', 'tag', '0.1.2'])
+        subprocess.call(['git', 'tag', '0.1.3'])
+        subprocess.call(['git', 'tag', '0.2.0'])
+        subprocess.call(['git', 'tag', '0.3.0'])
+        subprocess.call(['git', 'tag', '0.3.1'])
+        subprocess.call(['git', 'tag', '1.0.0'])
+        subprocess.call(['git', 'tag', '1.1.0'])
+        subprocess.call(['git', 'tag', '1.2.0'])
+        subprocess.call(['git', 'tag', '1.2.1'])
+        tag = get_version.get_tag_version()
+        self.assertEqual(tag, "1.2.1")
+    def test_get_version_out_of_order(self):
+        subprocess.call(['git', 'tag', '0.1.0'])
+        subprocess.call(['git', 'tag', '0.1.1'])
+        subprocess.call(['git', 'tag', '0.5.2'])
+        subprocess.call(['git', 'tag', '0.1.3'])
+        subprocess.call(['git', 'tag', '8.1.0'])
+        subprocess.call(['git', 'tag', '0.3.8'])
+        subprocess.call(['git', 'tag', '3.3.1'])
+        subprocess.call(['git', 'tag', '1.4.0'])
+        subprocess.call(['git', 'tag', '1.1.7'])
+        subprocess.call(['git', 'tag', '1.2.0'])
+        subprocess.call(['git', 'tag', '0.2.1'])
+        tag = get_version.get_tag_version()
+        self.assertEqual(tag, "8.1.0")
     def test_default_get_version_tag(self):
         create_git_environment()
         tag = get_version.get_tag_version()