diff --git a/docs/Homebrew-on-Linux.md b/docs/Homebrew-on-Linux.md
index a5b3fac027..68c4459a6d 100644
--- a/docs/Homebrew-on-Linux.md
+++ b/docs/Homebrew-on-Linux.md
@@ -57,14 +57,14 @@ Paste at a terminal prompt:
 ### Debian or Ubuntu
 
 ```sh
-sudo apt-get install build-essential curl file git
+sudo apt-get install build-essential procps curl file git
 ```
 
 ### Fedora, CentOS, or Red Hat
 
 ```sh
 sudo yum groupinstall 'Development Tools'
-sudo yum install curl file git
+sudo yum install procps-ng curl file git
 sudo yum install libxcrypt-compat # needed by Fedora 30 and up
 ```