diff --git a/packages/addons/addon-depends/nss/package.mk b/packages/addons/addon-depends/nss/package.mk
index cf876f5605..8eab11b3d3 100644
--- a/packages/addons/addon-depends/nss/package.mk
+++ b/packages/addons/addon-depends/nss/package.mk
@@ -25,7 +25,7 @@ PKG_ARCH="any"
 PKG_LICENSE="Mozilla Public License"
 PKG_SITE="http://ftp.mozilla.org/"
 PKG_URL="http://ftp.mozilla.org/pub/security/nss/releases/NSS_3_22_3_RTM/src/nss-3.22.3-with-nspr-4.12.tar.gz"
-PKG_DEPENDS_TARGET="toolchain nss:host nspr"
+PKG_DEPENDS_TARGET="toolchain nss:host nspr zlib"
 PKG_PRIORITY="optional"
 PKG_SECTION="security"
 PKG_SHORTDESC="The Network Security Services (NSS) package is a set of libraries designed to support cross-platform development of security-enabled client and server applications"