diff --git a/debian/changelog b/debian/changelog
index ae19061..63aca03 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,5 +1,7 @@
 patroni (2.1.2-3) UNRELEASED; urgency=medium
 
+  [ Michael Banck ]
+  * debian/control (Build-Depends, patroni/Depends): Added python3-pysyncobj. 
 
  -- Debian PostgreSQL Maintainers <team+postgresql@tracker.debian.org>  Sun, 13 Feb 2022 15:54:41 +0100
 
diff --git a/debian/control b/debian/control
index cc2854f..3e78c25 100644
--- a/debian/control
+++ b/debian/control
@@ -29,6 +29,7 @@ Build-Depends:
  python3-psutil,
  python3-psycopg2 (>= 2.6.1),
  python3-pycodestyle,
+ python3-pysyncobj (>= 0.3.10-2),
  python3-pytest,
  python3-pytest-cov,
  python3-setuptools,
@@ -48,7 +49,7 @@ Package: patroni
 Architecture: all
 Depends: ${misc:Depends}, ${python3:Depends}, lsb-base (>= 3.0-6), python3-psycopg2,
  python3-etcd (>= 0.4.3) | python3-consul (>= 0.7.0) | python3-kazoo |
- python3-kubernetes, python3-cdiff
+ python3-kubernetes | python3-pysyncobj (>= 0.3.10-2), python3-cdiff
 Recommends: iproute2
 Suggests: postgresql, etcd-server | consul | zookeeperd, vip-manager, haproxy, patroni-doc
 Description: PostgreSQL High Availability with ZooKeeper, etcd, Consul, or Kubernetes