diff --git a/debian/control b/debian/control
index 86803fe..ad8b674 100644
--- a/debian/control
+++ b/debian/control
@@ -4,6 +4,7 @@ Priority: optional
 Maintainer: Daniel Baumann <daniel.baumann@progress-linux.org>
 Build-Depends:
  debhelper-compat (= 13),
+ libck-dev,
  libldns-dev,
  libssl-dev,
  pkg-config,