diff --git a/rc/bashrc b/rc/bashrc
index 7da52e04..1a64f7be 100644
--- a/rc/bashrc
+++ b/rc/bashrc
@@ -580,6 +580,9 @@ fi
 # Sailfish Network status, via IRC
 alias sailfish-nstatus='dbus-send --system --type=method_call --print-reply --dest=net.connman / net.connman.Manager.GetServices|less'
 
+# apt build depedencies (without installing)
+alias apt-builddep="apt-rdepends --build-depends --follow=DEPENDS"
+
 # Allow custom aliases to be put in .aliases or .bash_aliases .
 
 # .aliases
diff --git a/rc/zshrc b/rc/zshrc
index b38ed56c..16bd0c61 100644
--- a/rc/zshrc
+++ b/rc/zshrc
@@ -566,6 +566,9 @@ fi
 # Sailfish Network status, via IRC
 alias sailfish-nstatus='dbus-send --system --type=method_call --print-reply --dest=net.connman / net.connman.Manager.GetServices|less'
 
+# apt build depedencies (without installing)
+alias apt-builddep="apt-rdepends --build-depends --follow=DEPENDS"
+
 # .aliases
 if [ -f ~/.aliases ]; then
     source ~/.aliases