diff --git a/INSTALL b/INSTALL
index e8c110b2..4ad484f3 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,9 +1,20 @@
+Key pre-requisites:
+
+  Perl modules:  CGI, and Compress::Zlib
+
 Simple install:
 
   % perl Makefile.PL MP_APXS=/usr/local/apache2/bin/apxs
   % make && make test
   % make install
 
+Simple install on Debian Linux (works with Debian 11.2):
+
+  % apt install libcgi-pm-perl libio-compress-perl libperl-dev
+  % perl Makefile.PL MP_APXS=/usr/bin/apxs
+  % make && make test
+  % make install
+
 Simple install on AIX:
 
   You will need GNU make to compile mod_perl. The AIX make does not work.