-Build-Depends: debhelper (>= 7.0), cpio, socat, openssh-server, gnupg, libcrypt-openssl-rsa-perl, libdigest-sha-perl, lockfile-progs | procmail, openssl
+Build-Depends: debhelper (>= 7.0),
+ cpio,
+ socat,
+ openssh-server,
+ gnupg,
+ libcrypt-openssl-rsa-perl,
+ libdigest-sha-perl,
+ lockfile-progs | procmail,
+ openssl,
+ bash (>= 3.2)