diff --git a/requirements-tests.txt b/requirements-tests.txt
index ca9472f..8bcd816 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -1,6 +1,6 @@
 # Test suite requirements.
 capturer >= 2.1
-coloredlogs >= 2.0, <= 14.0
+coloredlogs >= 15.0.1
 docutils >= 0.15
 mock >= 3.0.5
 pytest >= 3.0.7