diff --git a/pyscripts/requirements.txt b/pyscripts/requirements.txt
index 1957845..37153f7 100644
--- a/pyscripts/requirements.txt
+++ b/pyscripts/requirements.txt
@@ -48,7 +48,7 @@ lofargeotiff==0.1
 Mako==1.1.3
 MarkupSafe==1.1.1
 matplotlib==2.2.5
-mistune==0.8.4
+mistune==2.0.3
 mock==3.0.5
 monotonic==1.5
 more-itertools==5.0.0