diff --git a/DAT/r.txt b/DAT/r.txt
index e94d6f7..4b9c7ee 100644
--- a/DAT/r.txt
+++ b/DAT/r.txt
@@ -36,7 +36,7 @@ lazy-object-proxy==1.3.1
 Markdown==3.0.1
 MarkupSafe==1.1.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.4.1
 nbformat==4.4.0
 notebook==5.7.8
diff --git a/requirements.txt b/requirements.txt
index 9ecb5b9..9570e5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ lazy-object-proxy==1.3.1
 Markdown==3.0.1
 MarkupSafe==1.1.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 monotonic==1.5
 nbconvert==5.4.1
 nbformat==4.4.0