diff --git a/tests-requirements.txt b/tests-requirements.txt
index 36e4545..d496cec 100644
--- a/tests-requirements.txt
+++ b/tests-requirements.txt
@@ -5,4 +5,5 @@ coveralls; python_version > '3.5'
 pyflakes; python_version > '3.5'
 pylint; python_version > '3.5'
 halo; python_version > '3.5'
-distro; python_version > '3.5'
\ No newline at end of file
+distro; python_version > '3.5'
+urllib3; python_version > '3.5'
\ No newline at end of file