diff --git a/poxx.py b/poxx.py
index d907615..3bb2637 100755
--- a/poxx.py
+++ b/poxx.py
@@ -20,7 +20,7 @@
 import os.path
 import re
 import polib    # from http://bitbucket.org/izi/polib
-import HTMLParser
+from six.moves import html_parser as HTMLParser
 
 VERSION_STR = '1.1.1'
 
@@ -181,4 +181,4 @@ def diff_one_file(fname, canon_name):
         else:
             report_msg = munge_one_file(fname, options.blank, canon_name=options.canonical_po_file)
 
-    print report_msg
+    print(report_msg)
diff --git a/requirements.txt b/requirements.txt
index 23e5826..e6d5301 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 polib
+six
diff --git a/setup.py b/setup.py
index b55c993..e159be0 100644
--- a/setup.py
+++ b/setup.py
@@ -5,6 +5,7 @@
 
 install_requires = [
     'polib',
+    'six',
 ]
 
 test_requires = ['pytest']