diff --git a/debian/control b/debian/control
index cf99b47d29..d258304e29 100644
--- a/debian/control
+++ b/debian/control
@@ -88,6 +88,7 @@ Build-Depends:
 	libghc-servant-dev,
 	libghc-servant-server-dev,
 	libghc-servant-client-dev,
+	libghc-servant-client-core-dev,
 	lsof [linux-any],
 	ikiwiki,
 	libimage-magick-perl,