diff --git a/test-requirements.txt b/test-requirements.txt
index ac86706..9696b3b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,2 +1 @@
 unittest2==0.5.1
-xmlrunner==1.7.4
diff --git a/test/testsuite.py b/test/testsuite.py
index e505f9a..c77aeae 100644
--- a/test/testsuite.py
+++ b/test/testsuite.py
@@ -9,7 +9,7 @@ import unittest2 as unittest
 def main():
     parser = OptionParser()
     parser.add_option("-x", "--xml", action="store_true", dest="xml",
-                  help="write test report in xunit file format")
+                  help="write test report in xunit file format (requires xmlrunner==1.7.4)")
     (options, args) = parser.parse_args(sys.argv)
     loader = unittest.defaultTestLoader
     names = args[1:]