diff --git a/requirements.txt b/requirements.txt
index 1f31881bfbdd3a9f4ca8f76b2a0d5479b3854a38..6346bcc81934e7c32500ad81e70568e846e033e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,6 +41,7 @@ http-parser==0.9.0
 manhole==1.6.0
 markerlib==0.6.0
 mongoengine==0.20.0
+markupsafe==2.0.1
 networkx==2.5
 numpy==1.19.3
 orjson==3.4.1