diff --git a/.hgignore b/.hgignore
index 5ada10a..b5fbdde 100644
--- a/.hgignore
+++ b/.hgignore
@@ -2,6 +2,7 @@
 
 *.pyc
 .coverage
+.tox
 htmlcov
 tags
 build
diff --git a/test/run_all_unittests.py b/test/run_all_unittests.py
index 54ad5f0..100744a 100755
--- a/test/run_all_unittests.py
+++ b/test/run_all_unittests.py
@@ -7,13 +7,16 @@
 # Eli Bendersky (eliben@gmail.com)
 # This code is in the public domain
 #-------------------------------------------------------------------------------
-from unittest import TestLoader, TextTestRunner
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
 
 
 if __name__ == '__main__':
     try:
-        tests = TestLoader().discover('test', 'test*.py', 'test')
-        TextTestRunner().run(tests)
+        tests = unittest.TestLoader().discover('test', 'test*.py', 'test')
+        unittest.TextTestRunner().run(tests)
     except ImportError as err:
         print err
         print '!! Please execute from the root directory of pyelftools'
diff --git a/test/test_callframe.py b/test/test_callframe.py
index 30e405b..3fe1b9a 100644
--- a/test/test_callframe.py
+++ b/test/test_callframe.py
@@ -1,4 +1,8 @@
-import sys, unittest
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+import sys
 from cStringIO import StringIO
 
 sys.path.extend(['.', '..'])
diff --git a/test/test_dwarf_expr.py b/test/test_dwarf_expr.py
index 8e293db..d740eaf 100644
--- a/test/test_dwarf_expr.py
+++ b/test/test_dwarf_expr.py
@@ -1,4 +1,8 @@
-import sys, unittest
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+import sys
 from cStringIO import StringIO
 
 sys.path.extend(('..', '.'))
diff --git a/test/test_dwarf_lineprogram.py b/test/test_dwarf_lineprogram.py
index 56d96c3..d3e1100 100644
--- a/test/test_dwarf_lineprogram.py
+++ b/test/test_dwarf_lineprogram.py
@@ -1,4 +1,8 @@
-import sys, unittest
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+import sys
 from cStringIO import StringIO
 
 sys.path.extend(['.', '..'])
diff --git a/test/test_dwarf_structs.py b/test/test_dwarf_structs.py
index a1e30d7..d85ee0f 100644
--- a/test/test_dwarf_structs.py
+++ b/test/test_dwarf_structs.py
@@ -1,4 +1,8 @@
-import sys, unittest
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+import sys
 
 sys.path.extend(['.', '..'])
 from elftools.dwarf.structs import DWARFStructs
diff --git a/test/test_utils.py b/test/test_utils.py
index 54a09bb..a30ac3a 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -1,4 +1,8 @@
-import sys, unittest
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+import sys
 from cStringIO import StringIO
 from random import randint
 
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..a91cd2f
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,12 @@
+[tox]
+envlist = py27,py26
+
+[testenv]
+commands =
+    python test/run_all_unittests.py
+    python test/run_readelf_tests.py
+
+[testenv:py26]
+deps =
+    unittest2
+