diff --git a/requirements-dev.txt b/requirements-dev.txt
index f9389f9..eb0b3db 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,6 +3,6 @@ mock
 nose
 pycodestyle==2.5.0
 pyflakes==2.1.1
-readme_renderer[md]==25.0
+readme_renderer[md]==26.0
 requests_mock
 twine==1.15.0