diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fef87b85..17b1533cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -75,6 +75,7 @@
 - Complete documentation overhaul. Change to markdown format. Uses the mkdocs-material (PR#2419 by Filip Pokorný).
 
 ### Packaging
+- Add `pendulum` to suggested packages, as it is required for the sieve bot (PR#2424 by Sebastian Wagner).
 
 ### Tests
 
diff --git a/debian/control b/debian/control
index 818178d14..c8f6feef9 100644
--- a/debian/control
+++ b/debian/control
@@ -53,7 +53,8 @@ Suggests: python3-geoip2 (>= 2.2.0),
           python3-pyasn (>= 1.5.0),
           python3-pymongo (>= 2.7.1),
           python3-sleekxmpp (>= 1.3.1),
-          python3-stomp.py (>= 4.1.9)
+          python3-stomp.py (>= 4.1.9),
+          python3-pendulum
 Description: Solution for IT security teams for collecting and processing security feeds
  IntelMQ is a solution for IT security teams (CERTs, CSIRTs, abuse
  departments,...) for collecting and processing security feeds (such as log