diff --git a/requirements.txt b/requirements.txt
index d003e8ec..aa43d0c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ backports-abc==0.5
 Click==7.0
 Jinja2==2.10.1
 livereload==2.6.1
-Markdown==3.1
+Markdown==3.1.1
 markdown-include==0.5.1
 MarkupSafe==1.1.1
 mkdocs==1.0.4