diff --git a/matplotlib/requirements.txt b/matplotlib/requirements.txt
index d33f560..0ca0fd7 100644
--- a/matplotlib/requirements.txt
+++ b/matplotlib/requirements.txt
@@ -12,7 +12,7 @@ jupyter-client==4.0.0
 jupyter-core==4.0.4
 MarkupSafe==0.23
 matplotlib==1.4.3
-mistune==0.7.1
+mistune==0.8.1
 mock==1.3.0
 nbconvert==4.0.0
 nbformat==4.0.0