diff --git a/requirements.txt b/requirements.txt
index cba142e..d279e1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,5 +17,5 @@ pymdown-extensions==6.3
 pytz==2019.3
 PyYAML==5.3
 six==1.14.0
-smmap2==2.0.5
+smmap2==3.0.1
 tornado==6.0.3