diff --git a/package/debian/control b/package/debian/control
index 286aca90a..68c8110ab 100644
--- a/package/debian/control
+++ b/package/debian/control
@@ -11,7 +11,8 @@ Build-Depends: debhelper (>= 9~), libssl-dev, zlib1g-dev, libzstd-dev,
  libfreetype6-dev, libfontconfig1-dev, libpcre3-dev, libdbus-1-dev,
  unixodbc-dev, libicu-dev, libsqlite3-dev, cmake, git, xserver-xorg-dev,
  libxinerama-dev, libxrandr-dev, libxrender-dev, libxcursor-dev, libsm-dev,
- libpq-dev, libpqtypes-dev, libmariadbclient-dev, libmariadbd-dev, libaio-dev
+ libpq-dev, libpqtypes-dev, libmariadbclient-dev, libmariadbd-dev, libaio-dev,
+ unifdef
 
 Package: katie-runtime
 Architecture: amd64 arm64 armel armhf i386 mips mips64el mipsel ppc64el s390x