diff --git a/mingw-w64-python-lz4/PKGBUILD b/mingw-w64-python-lz4/PKGBUILD
index 1128ce2309..d5a12183e6 100644
--- a/mingw-w64-python-lz4/PKGBUILD
+++ b/mingw-w64-python-lz4/PKGBUILD
@@ -6,7 +6,7 @@ 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=4.0.2
+pkgver=4.3.1
 pkgrel=1
 pkgdesc="This package provides python bindings for the LZ4 compression library (mingw-w64)"
 arch=('any')
@@ -23,7 +23,7 @@ checkdepends=("${MINGW_PACKAGE_PREFIX}-python-pytest-runner"
               "${MINGW_PACKAGE_PREFIX}-python-psutil")
 options=('staticlibs' 'strip' '!debug')
 source=("${_realname}-${pkgver}.tar.gz"::"https://github.com/python-lz4/python-lz4/archive/v${pkgver}.tar.gz")
-sha512sums=('0939318820f5e29c5090d564941870eaf1b128336b4c523f4bcf22e8aabad866ce9d661e68fc1bff78619fe76ab82ed462fa2912612b01667f3c25b7a30410bb')
+sha512sums=('07dd1391bd53c771be7ff2706c872fa91db35f1b5085558305cec0c6b2afa1c02890f5f9ee82b76564aaf4a4ac9040117cd306d94f84418c969bcaf1e03ff594')
 
 prepare() {
   cd "${srcdir}"