diff --git a/docs/devs/building/unix.md b/docs/devs/building/unix.md
index 6b13822..c37f866 100644
--- a/docs/devs/building/unix.md
+++ b/docs/devs/building/unix.md
@@ -76,7 +76,7 @@ If you need UPnP support miniupnpc development library should be installed (don'
 
 You may also build deb-package with the following:
 
-	sudo apt-get install fakeroot devscripts
+	sudo apt-get install fakeroot devscripts dh-apparmor
 	cd i2pd
 	debuild --no-tgz-check -b