diff --git a/package_env.conf b/package_env.conf
index 1a12342..b5c8260 100644
--- a/package_env.conf
+++ b/package_env.conf
@@ -33,6 +33,7 @@ dev-libs/crypto++ gcc
 dev-libs/elfutils gcc
 dev-libs/libev gcc
 dev-libs/libixion gcc
+dev-libs/libmemcached gcc
 dev-libs/openssl gcc
 dev-scheme/guile gcc
 dev-util/nemiver gcc