diff --git a/python-py/PKGBUILD b/python-py/PKGBUILD
index b362ca18..83dd3c22 100644
--- a/python-py/PKGBUILD
+++ b/python-py/PKGBUILD
@@ -8,7 +8,7 @@
 
 pkgbase=python-py
 pkgname=('python3-py' 'python2-py')
-pkgver=1.4.30
+pkgver=1.4.31
 pkgrel=1
 pkgdesc="library with cross-python path, ini-parsing, io, code, log facilities"
 arch=('any')
@@ -16,7 +16,7 @@ license=('MIT')
 url="https://pylib.readthedocs.org/"
 makedepends=('python3-setuptools' 'python2-setuptools')
 source=("https://pypi.python.org/packages/source/p/py/py-$pkgver.tar.gz")
-sha512sums=('dd9d92f8eaf8e5fc61bfb7feb4b07df5ae1745ebf88bcbe9d62589caa9e1f7d8beae5b2d20b407520919e47391cd50cf2d5323556fa5bd90a37e120b1d394d7a')
+sha512sums=('fd0f4f509d81beb8e5cdb5a8d5d7d40d8a74737c017c915b0630ce740868c32fbf1af4a01dec2ae998e5a9516578e8404ad2b8d966606919767ae25f27eb0b0d')
 
 prepare() {
   cp -a py-${pkgver}{,-py2}
@@ -24,17 +24,17 @@ prepare() {
 
 build() {
   cd "$srcdir/py-${pkgver}"
-  python3 setup.py build
+  /usr/bin/python3 setup.py build
 
   cd "$srcdir/py-${pkgver}-py2"
-  python2 setup.py build
+  /usr/bin/python2 setup.py build
 }
 
 package_python3-py() {
   depends=('python3')
 
   cd py-${pkgver}
-  python3 setup.py install --root="${pkgdir}" --optimize=1
+  /usr/bin/python3 setup.py install --root="${pkgdir}" --optimize=1
   install -D -m644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
 }
 
@@ -42,7 +42,7 @@ package_python2-py() {
   depends=('python2')
 
   cd py-${pkgver}-py2
-  python2 setup.py install --root="${pkgdir}" --optimize=1
+  /usr/bin/python2 setup.py install --root="${pkgdir}" --optimize=1
   install -D -m644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
 }