diff --git a/mingw-w64-python-oslo-serialization/PKGBUILD b/mingw-w64-python-oslo-serialization/PKGBUILD
index d4fafe31af..56d45df44e 100644
--- a/mingw-w64-python-oslo-serialization/PKGBUILD
+++ b/mingw-w64-python-oslo-serialization/PKGBUILD
@@ -6,26 +6,22 @@ pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
 provides=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 conflicts=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 replaces=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
-pkgver=4.0.1
-pkgrel=2
+pkgver=4.3.0
+pkgrel=1
 pkgdesc="Oslo Serialization library (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
 url='https://pypi.org/project/oslo.serialization/'
 license=('Apache')
-depends=("${MINGW_PACKAGE_PREFIX}-python"
-         "${MINGW_PACKAGE_PREFIX}-python-six" 
-         "${MINGW_PACKAGE_PREFIX}-python-pbr"
-         "${MINGW_PACKAGE_PREFIX}-python-babel"
+depends=("${MINGW_PACKAGE_PREFIX}-python-pbr"
          "${MINGW_PACKAGE_PREFIX}-python-msgpack"
          "${MINGW_PACKAGE_PREFIX}-python-oslo-utils"
          "${MINGW_PACKAGE_PREFIX}-python-pytz")
 makedepends=("${MINGW_PACKAGE_PREFIX}-python-setuptools")
-checkdepends=("${MINGW_PACKAGE_PREFIX}-python-oslotest"
-              "${MINGW_PACKAGE_PREFIX}-python-testrepository")
+checkdepends=("${MINGW_PACKAGE_PREFIX}-python-oslotest")
 options=('staticlibs' 'strip' '!debug')
 source=("${_realname}-$pkgver.tar.gz"::"https://github.com/openstack/oslo.serialization/archive/${pkgver}.tar.gz")
-sha512sums=('cae1b6341499d58fbdbae7a5120b49382a6c9230eeacfc6b408d78e5f72f1ff6983d16eea2c390a1af397fc8319c2f17be8f35306aa298d021f169fb751688cb')
+sha512sums=('197e39b9f076d0351a0d5c03bf47fb3b278ec66c188f56dcf68781313e024dbcb16fa10681f9c95b136a48efa739e6acffc889699566b079393a6f0f9c3b64ea')
 
 prepare() {
   cd "${srcdir}/oslo.serialization-${pkgver}"
@@ -43,7 +39,7 @@ build() {
 
 check() {
   cd "${srcdir}/oslo.serialization-${pkgver}"
-  ${MINGW_PREFIX}/bin/python setup.py testr || warning "Tests failed"
+  PYTHON=${MINGW_PREFIX}/bin/python ${MINGW_PREFIX}/bin/stestr run || warning "Tests failed"
 }
 
 package() {
@@ -52,4 +48,6 @@ package() {
   MSYS2_ARG_CONV_EXCL="--prefix=;--install-scripts=;--install-platlib=" \
   ${MINGW_PREFIX}/bin/python setup.py install --prefix=${MINGW_PREFIX} \
     --root="${pkgdir}" --optimize=1 --skip-build
+
+  install -Dm644 LICENSE "${pkgdir}${MINGW_PREFIX}/share/licenses/python-${_realname}/LICENSE"
 }