diff --git a/buildout/helpers/debian.lenny.sh b/buildout/helpers/debian.lenny.sh
index 2d6b2902fbfeff6e7ea51942b3fc1de52cb59d31..4d55381ea2d15f71501181073eeea499f3cdb9b7 100755
--- a/buildout/helpers/debian.lenny.sh
+++ b/buildout/helpers/debian.lenny.sh
@@ -21,6 +21,7 @@ libjpeg62-dev
 libldap2-dev
 libncurses5-dev
 libneon27-gnutls-dev
+libnss3-tools
 libpng12-dev
 libreadline-dev
 librsync-dev