diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index 1c36c03..754bd3d 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -36,6 +36,11 @@ checkdepends=(
 source=(${url}/archive/v${pkgver}/${pkgname}-${pkgver}.tar.gz)
 sha256sums=('dd97f3a43d6d1a2ff2d58a3b46c57d6edd88fa6c93aad3f4e48dd9054bfd5778')
 
+prepare() {
+  cd ${_pkg}-${pkgver}
+  sed -i 's/decorator<5/decorator/' setup.py
+}
+
 build() {
   cd ${_pkg}-${pkgver}
   python setup.py build