diff --git a/requirements.txt b/requirements.txt
index eb7e60a7b..a8aa3637b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ elasticsearch_dsl==2.2.0
 geoalchemy2==0.4.2
 geojson==3.1.0
 geomet==1.1.0
-kombu==5.3.3
+kombu==5.3.5
 Markdown==3.5.1 # at next update, please remove replace_marker() function in toc extension 
 phpserialize==1.3.0 # phpserialize is only required during the migration
 psycopg2==2.9.9