diff --git a/src/BUILD_UNIX.md b/src/BUILD_UNIX.md
index d710bc0f..f11f95c7 100644
--- a/src/BUILD_UNIX.md
+++ b/src/BUILD_UNIX.md
@@ -36,7 +36,7 @@ sudo yum -y install cmake ncurses-devel openssl-devel readline-devel zlib-devel
 
 ## Install Requirements on Debian/Ubuntu
 ```bash
-sudo apt -y install cmake gcc libncurses5-dev libreadline-dev libssl-dev make zlib1g-dev
+sudo apt -y install cmake gcc g++ libncurses5-dev libreadline-dev libssl-dev make zlib1g-dev
 ```