diff --git a/php5.2/readme.txt b/php5.2/readme.txt
index dba0c07..caac838 100644
--- a/php5.2/readme.txt
+++ b/php5.2/readme.txt
@@ -7,4 +7,4 @@ Put karmic.list in /etc/apt/sources.d
 
 Then (after removing these packages first if you have to)
 sudo apt-get update
-sudo apt-get install apache2 mysql-server php5 libapache2-mod-php5 php5-xsl php5-gd php-pear libapache2-mod-auth-mysql php5-mysql php5-curl php5-memcache
+sudo apt-get install apache2 mysql-server php5 libapache2-mod-php5 php5-xsl php5-gd php-pear libapache2-mod-auth-mysql php5-mysql php5-curl php5-memcache php5-mcrypt php5-dev