diff --git a/docs/conf.py b/docs/conf.py
index 8639b2c..7402c7a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -5,6 +5,9 @@ import os
 import sys
 import subprocess
 
+if 'check_output' not in dir(subprocess):
+	import subprocess32 as subprocess
+
 extensions = [
     'sphinx.ext.autodoc',
     'rst.linker',
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 70bc02f..ab48405 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1 +1,2 @@
 pytest >= 2.8
+subprocess32; python_version=="2.6"