diff --git a/mingw-w64-python-imbalanced-learn/PKGBUILD b/mingw-w64-python-imbalanced-learn/PKGBUILD
index 6ffe1e4bcb..6d67207bc1 100644
--- a/mingw-w64-python-imbalanced-learn/PKGBUILD
+++ b/mingw-w64-python-imbalanced-learn/PKGBUILD
@@ -1,47 +1,48 @@
 # Maintainer: Peter Budai <peterbudai@hotmail.com>
 
 _realname=imbalanced-learn
-pkgbase=mingw-w64-python3-${_realname}
+pkgbase=mingw-w64-python-${_realname}
 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=0.6.1
-pkgrel=2
+pkgver=0.9.0
+pkgrel=1
 pkgdesc="A Python Package to Tackle the Curse of Imbalanced Datasets in Machine Learning (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64')
 url='https://github.com/scikit-learn-contrib/imbalanced-learn'
 license=('MIT')
 depends=("${MINGW_PACKAGE_PREFIX}-python"
          "${MINGW_PACKAGE_PREFIX}-python-joblib"
          "${MINGW_PACKAGE_PREFIX}-python-numpy"
          "${MINGW_PACKAGE_PREFIX}-python-scikit-learn"
-         "${MINGW_PACKAGE_PREFIX}-python-scipy")
+         "${MINGW_PACKAGE_PREFIX}-python-scipy"
+         "${MINGW_PACKAGE_PREFIX}-python-threadpoolctl")
 makedepends=("${MINGW_PACKAGE_PREFIX}-python-setuptools"
              "${MINGW_PACKAGE_PREFIX}-cython")
 optdepends=("${MINGW_PACKAGE_PREFIX}-python-keras"
             "${MINGW_PACKAGE_PREFIX}-python-tensoflow")
 source=("${_realname}-${pkgver}.tar.gz::https://github.com/scikit-learn-contrib/${_realname}/archive/${pkgver}.tar.gz")
-sha256sums=('fb8e37ba2f7ec3b338ed711b362690f31cfe2cc7202c9868602698f957304680')
+sha256sums=('06cb4e94a9c6468ae4d28234da5b2d377c7100a409214b153039b28f2ace1304')
 
 prepare() {
   cd "${srcdir}"
-  rm -rf python-build-${CARCH} | true
-  cp -r "${_realname}-${pkgver}" "python-build-${CARCH}"
+  rm -rf python-build-${MSYSTEM} | true
+  cp -r "${_realname}-${pkgver}" "python-build-${MSYSTEM}"
 }
 
 build() {
-  msg "Python build for ${CARCH}"
-  cd "${srcdir}/python-build-${CARCH}"
+  msg "Python build for ${MSYSTEM}"
+  cd "${srcdir}/python-build-${MSYSTEM}"
   ${MINGW_PREFIX}/bin/python setup.py build
 }
 
 package() {
-  cd "${srcdir}/python-build-${CARCH}"
+  cd "${srcdir}/python-build-${MSYSTEM}"
   MSYS2_ARG_CONV_EXCL="--prefix=;--install-scripts=;--install-platlib=" \
   ${MINGW_PREFIX}/bin/python setup.py install --prefix=${MINGW_PREFIX} \
-    --root="${pkgdir}" --optimize=0 --skip-build
+    --root="${pkgdir}" --optimize=1 --skip-build
 
   install -D LICENSE "$pkgdir"/${MINGW_PREFIX}/share/licenses/python-${_realname}/LICENSE
 }