diff --git a/osvars/Alpine.yml b/osvars/Alpine.yml
index 7dbfb48..cb4b9a9 100644
--- a/osvars/Alpine.yml
+++ b/osvars/Alpine.yml
@@ -10,3 +10,4 @@ sympa_gettext_package: gettext-dev
 sympa_openssldev_package: libressl-dev
 sympa_expatdev_package: expat-dev
 sympa_zlibdev_package: zlib-dev
+sympa_ldap_package: perl-ldap
diff --git a/osvars/Archlinux.yml b/osvars/Archlinux.yml
index 2d7c310..2663284 100644
--- a/osvars/Archlinux.yml
+++ b/osvars/Archlinux.yml
@@ -11,3 +11,4 @@ sympa_openssldev_package: openssl
 sympa_expatdev_package: expat
 sympa_xml2dev_package: libxml2
 sympa_zlibdev_package: zlib
+sympa_ldap_package: perl-ldap
diff --git a/osvars/FreeBSD.yml b/osvars/FreeBSD.yml
index 0fd668e..6620eed 100644
--- a/osvars/FreeBSD.yml
+++ b/osvars/FreeBSD.yml
@@ -10,3 +10,4 @@ sympa_cpanm_program: /usr/local/bin/cpanm
 sympa_make_package: gmake
 sympa_expatdev_package: expat
 sympa_zlibdev_package: zlib
+sympa_ldap_package: p5-perl-ldap
diff --git a/osvars/Gentoo.yml b/osvars/Gentoo.yml
index 510bf36..01f3941 100644
--- a/osvars/Gentoo.yml
+++ b/osvars/Gentoo.yml
@@ -10,3 +10,4 @@ sympa_cpanm_package: dev-perl/App-cpanminus
 sympa_openssldev_package: libressl-dev
 sympa_expatdev_package: expat-dev
 sympa_zlibdev_package: zlib-dev
+sympa_ldap_package: dev-perl/perl-ldap
diff --git a/osvars/RedHat.yml b/osvars/RedHat.yml
index 55f21d7..943d0f0 100644
--- a/osvars/RedHat.yml
+++ b/osvars/RedHat.yml
@@ -11,6 +11,7 @@ sympa_openssldev_package: openssl-devel
 sympa_expatdev_package: expat-devel
 sympa_xml2dev_package: libxml2-devel
 sympa_zlibdev_package: zlib-devel
+sympa_ldap_package: perl-LDAP
 
 sympa_package_command: /usr/sbin/sympa.pl
 sympa_package_bin_directory: /usr/sbin
diff --git a/osvars/SLES.yml b/osvars/SLES.yml
index cbe528a..e4cddec 100644
--- a/osvars/SLES.yml
+++ b/osvars/SLES.yml
@@ -7,3 +7,4 @@ sympa_web_unix_user: nginx
 
 sympa_cpanm_package: perl-App-cpanminus
 sympa_openssldev_package: libopenssl-devel
+sympa_ldap_package: perl-ldap
\ No newline at end of file
diff --git a/osvars/Suse.yml b/osvars/Suse.yml
index 8aaf7ff..4d05a0f 100644
--- a/osvars/Suse.yml
+++ b/osvars/Suse.yml
@@ -9,3 +9,4 @@ sympa_cpanm_package: perl-App-cpanminus
 sympa_openssldev_package: libopenssl-devel
 sympa_expatdev_package: libexpat-devel
 sympa_zlibdev_package: zlib-devel
+sympa_ldap_package: perl-ldap