diff --git a/Makefile b/Makefile
index 74d2748cd..57953d897 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ ifeq (vagrant-dokku,$(firstword $(MAKECMDGOALS)))
   $(eval $(RUN_ARGS):;@:)
 endif
 
-.PHONY: all install copyfiles version plugins dependencies sshcommand pluginhook docker aufs stack count dokku-installer vagrant-acl-add vagrant-dokku
+.PHONY: all install copyfiles man-db version plugins dependencies sshcommand pluginhook docker aufs stack count dokku-installer vagrant-acl-add vagrant-dokku
 
 include tests.mk
 include deb.mk
@@ -61,12 +61,15 @@ plugin-dependencies: pluginhook
 plugins: pluginhook docker
 	dokku plugins-install
 
-dependencies: sshcommand pluginhook docker help2man
+dependencies: sshcommand pluginhook docker help2man man-db
 	$(MAKE) -e stack
 
 help2man:
 	apt-get install -qq -y help2man
 
+man-db:
+	apt-get install -qq -y man-db
+
 sshcommand:
 	wget -qO /usr/local/bin/sshcommand ${SSHCOMMAND_URL}
 	chmod +x /usr/local/bin/sshcommand