diff --git a/mingw-w64-at-spi2-core/PKGBUILD b/mingw-w64-at-spi2-core/PKGBUILD
index 9407dc7ca0..5a91330cb3 100644
--- a/mingw-w64-at-spi2-core/PKGBUILD
+++ b/mingw-w64-at-spi2-core/PKGBUILD
@@ -4,7 +4,7 @@
 _realname=at-spi2-core
 pkgbase="mingw-w64-${_realname}"
 pkgname="${MINGW_PACKAGE_PREFIX}-atk"
-pkgver=2.56.3
+pkgver=2.56.4
 pkgrel=1
 pkgdesc="Interface definitions of accessibility infrastructure (mingw-w64)"
 arch=('any')
@@ -26,7 +26,7 @@ makedepends=(
   "${MINGW_PACKAGE_PREFIX}-pkgconf"
 )
 source=("https://download.gnome.org/sources/at-spi2-core/${pkgver%.*}/${_realname}-${pkgver}.tar.xz")
-sha256sums=('0e41e1fc6a1961b38b4f9c0bea64bad30efff75949b7cdb988d2f2fdab72267a')
+sha256sums=('dbe35b951499e1d6f1fb552c2e0a09cea7cba2adf6c2eba0b2c85b6c094a3a02')
 
 build() {
   MSYS2_ARG_CONV_EXCL="--prefix=" \