diff --git a/mingw-w64-nss/PKGBUILD b/mingw-w64-nss/PKGBUILD
index bd1084198e..52673d5464 100644
--- a/mingw-w64-nss/PKGBUILD
+++ b/mingw-w64-nss/PKGBUILD
@@ -2,10 +2,11 @@
 # Contributor: Renato Silva <br.renatosilva@gmail.com>
 
 _realname=nss
+pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=3.19.2
-_nsprver=4.10.8
-pkgrel=2
+pkgver=3.20
+_nsprver=4.10.9
+pkgrel=1
 pkgdesc="Mozilla Network Security Services (mingw-w64)"
 arch=('any')
 url="http://www.mozilla.org/projects/security/pki/nss/"
@@ -25,7 +26,7 @@ source=(ftp://ftp.mozilla.org/pub/security/nss/releases/NSS_${pkgver//./_}_RTM/s
         blank-cert8.db
         blank-key3.db
         blank-secmod.db)
-md5sums=('b02ffd1e8e8ef5f8512fa02d8ca9db3d'
+md5sums=('db83988499d1eb3b623d77ecf495b0f5'
          'd9c6516eb4dca209e4b7ae46a4758ffa'
          'c547b030c57fe1ed8b77c73bf52b3ded'
          '46bee81908f1e5b26d6a7a2e14c64d9f'
@@ -47,8 +48,8 @@ prepare() {
   sed -e 's/\$(MKSHLIB) -o/\$(MKSHLIB) \$(LDFLAGS) -o/' \
       -i nss/coreconf/rules.mk
 
-  cp ${srcdir}/moztools/bin/nsinstall.exe .
-  cp ${srcdir}/manifest nsinstall.exe.manifest
+  cp ${srcdir}/moztools/bin/nsinstall.exe ${srcdir}/${_realname}-${pkgver}/
+  cp ${srcdir}/manifest ${srcdir}/${_realname}-${pkgver}/nsinstall.exe.manifest
 }
 
 build() {