diff --git a/README.adoc b/README.adoc
index ce7601c832752d45839a69b2643216242057f038..332fcfb453d2e63f8af9f199c6d33c939601d4f3 100644
--- a/README.adoc
+++ b/README.adoc
@@ -36,7 +36,7 @@ You need to have a GNU/Linux distribution to be able to compile Turris OS and pa
 To install all dependencies for Debian distribution you can use:
 
 --
-  apt install ca-certificates git build-essential zlib1g-dev gawk libssl-dev subversion unzip libncurses-dev wget python file rsync gcc-multilib
+  apt install ca-certificates git build-essential zlib1g-dev gawk libssl-dev subversion unzip libncurses-dev wget python file rsync gcc-multilib g++-multilib
 --
 
 For other distributions, we suggest to look at https://openwrt.org/docs/guide-developer/build-system/install-buildsystem[OpenWrt documentation].