diff --git a/mingw-w64-python-pdm-backend/PKGBUILD b/mingw-w64-python-pdm-backend/PKGBUILD
index 550eada4ae..4a095d0155 100644
--- a/mingw-w64-python-pdm-backend/PKGBUILD
+++ b/mingw-w64-python-pdm-backend/PKGBUILD
@@ -3,7 +3,7 @@
 _realname=pdm-backend
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
-pkgver=2.4.4
+pkgver=2.4.5
 pkgrel=1
 pkgdesc="The build backend used by PDM that supports latest packaging standards (mingw-w64)"
 arch=('any')
@@ -24,7 +24,7 @@ checkdepends=("${MINGW_PACKAGE_PREFIX}-python-pytest")
 options=('!strip')
 source=("https://pypi.org/packages/source/${_realname::1}/${_realname}/${_realname/-/_}-${pkgver}.tar.gz"
         "python-pdm-backend-2.3.1-devendor.patch")
-sha256sums=('f72551eeb319f74ca25856c24fb4026684eeb0dddd9df68482901ab0dc481258'
+sha256sums=('56c019c440308adad5d057c08cbb777e65f43b991a3b0920749781258972fe5b'
             'c87e46b7903c770700a0325bde0420f74d123780e61d5350339775ecc971001a')
 noextract=("${_realname/-/_}-${pkgver}.tar.gz")