diff --git a/requirements.txt b/requirements.txt
index 6f7d7ad..7ff8806 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ jupyter-core==4.3.0
 Markdown==2.6.9
 MarkupSafe==1.0
 matplotlib==2.0.2
-mistune==0.7.4
+mistune==2.0.3
 nbconvert==5.3.0
 nbformat==4.4.0
 networkx==1.11
diff --git a/requirements_gpu.txt b/requirements_gpu.txt
index 4329941..c849012 100644
--- a/requirements_gpu.txt
+++ b/requirements_gpu.txt
@@ -18,7 +18,7 @@ jupyter-core==4.3.0
 Markdown==2.6.9
 MarkupSafe==1.0
 matplotlib==2.0.2
-mistune==0.7.4
+mistune==2.0.3
 nbconvert==5.3.0
 nbformat==4.4.0
 networkx==1.11