diff --git a/requirements-test.txt b/requirements-test.txt
index fe7c79a9..82e00eff 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,5 +1,5 @@
 coverage==4.5.3
 Sphinx==2.0.1
 sphinxcontrib-napoleon==0.7
-mistune==0.8.4
+mistune==2.0.3
 m2r==0.2.1