diff --git a/glymur/__init__.py b/glymur/__init__.py
index c720c16..b89dd20 100644
--- a/glymur/__init__.py
+++ b/glymur/__init__.py
@@ -11,6 +11,9 @@ from . import test
 def runtests():
     """Discover and run all tests for the glymur package.
     """
-    import unittest
+    if sys.hexversion <= 0x02070000:
+        import unittest2 as unittest
+    else:
+        import unittest
     suite = unittest.defaultTestLoader.discover(__path__[0])
     unittest.TextTestRunner(verbosity=2).run(suite)
diff --git a/release.txt b/release.txt
index e46d85a..baecd5e 100644
--- a/release.txt
+++ b/release.txt
@@ -25,7 +25,7 @@
 | Fedora  |        |   X    |        | Ships with 1.4.0.  167 of 445 tests   |
 |   17    |        |        |        | should pass.                          |
 +---------+--------+--------+--------+---------------------------------------+
-| CentOS  |   X    |        |        | Ships with 1.3.0.  166 of 445 tests   |
+| CentOS  |   X    |        |        | Ships with 1.3.0.  165 of 445 tests   |
 |   6.3   |        |        |        | should pass.                          |
 +---------+--------+--------+--------+---------------------------------------+