diff --git a/appliances/mongodb/package.keywords b/appliances/mongodb/package.keywords
index 91ee2dc..3728e2b 100644
--- a/appliances/mongodb/package.keywords
+++ b/appliances/mongodb/package.keywords
@@ -2,6 +2,7 @@ app-arch/snappy **
 app-admin/mongo-tools ~amd64 ~x86
 dev-db/mongodb **
 dev-libs/boost ~amd64 ~x86
+dev-libs/libpcre ~amd64 ~x86
 dev-util/boost-build ~amd64 ~x86
 dev-libs/snowball-stemmer ~amd64 ~x86
 sys-kernel/gentoo-sources ~amd64 ~x86