diff --git a/nvchecker/source/github.py b/nvchecker/source/github.py
index c77f1d8..191bddc 100644
--- a/nvchecker/source/github.py
+++ b/nvchecker/source/github.py
@@ -39,5 +39,5 @@ def _github_done(name, use_latest_release, use_max_tag, ignored_tags, callback,
   else:
     # YYYYMMDD.HHMMSS
     version = data[0]['commit']['committer']['date'] \
-        .replace('-', '').replace(':', '').replace('T', '.')
+        .rstrip('Z').replace('-', '').replace(':', '').replace('T', '.')
   callback(name, version)
diff --git a/tests/test_github.py b/tests/test_github.py
index 2d2146d..b4ebb52 100644
--- a/tests/test_github.py
+++ b/tests/test_github.py
@@ -7,7 +7,7 @@ from tests.helper import ExternalVersionTestCase
                     reason="requires NVCHECKER_GITHUB_TOKEN, or it fails too much")
 class GitHubTest(ExternalVersionTestCase):
     def test_github(self):
-        self.assertEqual(self.sync_get_version("example", {"github": "harry-sanabria/ReleaseTestRepo"}), "20140122")
+        self.assertEqual(self.sync_get_version("example", {"github": "harry-sanabria/ReleaseTestRepo"}), "20140122.012101")
 
     def test_github_latest_release(self):
         self.assertEqual(self.sync_get_version("example", {"github": "harry-sanabria/ReleaseTestRepo", "use_latest_release": 1}), "release3")