diff --git a/buildout/helpers/debian.lenny.sh b/buildout/helpers/debian.lenny.sh
index b1162e271fe686e2a95eb6e097e989269d07e26f..2d6b2902fbfeff6e7ea51942b3fc1de52cb59d31 100755
--- a/buildout/helpers/debian.lenny.sh
+++ b/buildout/helpers/debian.lenny.sh
@@ -34,6 +34,7 @@ libtool
 libxml2-dev
 libxslt1-dev
 make
+openssl
 patch
 python-setuptools
 rpm