diff --git a/setup.cfg b/setup.cfg
index 374dd42..87cdfd7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,7 +19,7 @@ extra_objects =
 
 # Example for full-featured build:
 # Support for StartTLS/LDAPS, SASL bind and reentrant libldap_r.
-libs = ldap_r
+libs = ldap_r lber
 
 # Installation options
 [install]