diff --git a/tableprint.py b/tableprint.py
index 7bfe4b3..8343bf6 100644
--- a/tableprint.py
+++ b/tableprint.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 """
 Tableprint
 
@@ -19,7 +20,7 @@ import numpy as np
 
 __all__ = ('table', 'header', 'row', 'hr', 'top', 'bottom',
            'banner', 'dataframe', 'humantime', 'styles')
-__version__ = '0.5.2'
+__version__ = '0.5.3'
 
 # set up table styles
 LineStyle = namedtuple('LineStyle', ('begin', 'hline', 'sep', 'end'))
diff --git a/tests/test_functions.py b/tests/test_functions.py
index 0e58355..f14755b 100644
--- a/tests/test_functions.py
+++ b/tests/test_functions.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 from tableprint import top, bottom, row
 import pytest
diff --git a/tests/test_io.py b/tests/test_io.py
index 65b367d..b443eda 100644
--- a/tests/test_io.py
+++ b/tests/test_io.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 from tableprint import table, banner, dataframe, hr
 from io import StringIO
diff --git a/tests/test_utils.py b/tests/test_utils.py
index cb24b0f..3a83ae2 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 from tableprint import humantime, _format_line, LineStyle
 import pytest