diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 96ffc2f..6ede629 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -130,7 +130,7 @@ ExcludeArch:    ppc ppc64 s390 s390x
 %define localize 1
 ### build options end
 %define __provides_exclude ^lib.*\\.so.*$
-%define __requires_exclude ^(libmoz.*|liblgpllibs.*|libxul.*)$
+%define __requires_exclude ^(libmoz.*|liblgpllibs.*|libxul.*|libldap.*|libldif.*|libprldap.*)$
 Requires:       mozilla-nspr >= %(rpm -q --queryformat '%%{VERSION}' mozilla-nspr)
 Requires:       mozilla-nss >= %(rpm -q --queryformat '%%{VERSION}' mozilla-nss)
 Conflicts:      thunderbird-esr