diff --git a/srcpkgs/nss/template b/srcpkgs/nss/template
index 815700752db..5c64233eee9 100644
--- a/srcpkgs/nss/template
+++ b/srcpkgs/nss/template
@@ -4,7 +4,7 @@ version=3.15.3
 _distver="3_15_3"
 revision=1
 hostmakedepends="perl"
-makedepends="nspr-devel>=4.10 sqlite-devel"
+makedepends="zlib-devel nspr-devel>=4.10 sqlite-devel"
 short_desc="Mozilla Network Security Services"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://www.mozilla.org/projects/security/pki/nss/"