diff --git a/core/grub/PKGBUILD b/core/grub/PKGBUILD
index e05c56b02..ce70dbd6f 100644
--- a/core/grub/PKGBUILD
+++ b/core/grub/PKGBUILD
@@ -17,9 +17,9 @@ _IA32_EFI_IN_ARCH_X64="1"
 ## "1" to enable EMU build, "0" to disable
 _GRUB_EMU_BUILD="0"
 
-_GRUB_EXTRAS_COMMIT="136763a4cc9ca3a4f59d05b79eede2159d6f441e"
-_GNULIB_COMMIT="9ce9be2ef0cb1180e35dfe9dfbbe90d774b374bd"
-_UNIFONT_VER="12.1.02"
+_GRUB_EXTRAS_COMMIT="8a245d5c1800627af4cefa99162a89c7a46d8842"
+_GNULIB_COMMIT="be584c56eb1311606e5ea1a36363b97bddb6eed3"
+_UNIFONT_VER="12.1.03"
 
 [[ "${CARCH}" == "x86_64" ]] && _EFI_ARCH="x86_64"
 [[ "${CARCH}" == "i686" ]] && _EFI_ARCH="i386"
@@ -33,7 +33,7 @@ pkgname='grub'
 pkgdesc='GNU GRand Unified Bootloader (2)'
 _pkgver=2.04
 pkgver=${_pkgver/-/}
-pkgrel=3
+pkgrel=4
 epoch=2
 url='https://www.gnu.org/software/grub/'
 arch=('x86_64')
@@ -79,7 +79,7 @@ source=("git+https://git.savannah.gnu.org/git/grub.git#tag=grub-${_pkgver}?signe
 sha256sums=('SKIP'
             'SKIP'
             'SKIP'
-            '04d652be1e28a6d464965c75c71ac84633085cd0960c2687466651c34c94bd89'
+            '6067bda8daa1f3c49d8876107992e19fc9ab905ad54c01c3131b9649977c3746'
             'SKIP'
             '171415ab075d1ac806f36c454feeb060f870416f24279b70104bba94bd6076d4'
             'a5198267ceb04dceb6d2ea7800281a42b3f91fd02da55d2cc9ea20d47273ca29'
@@ -188,6 +188,11 @@ _build_grub-common_and_bios() {
 		--enable-boot-time \
 		"${_configure_options[@]}"
 
+	if [ ! -z "${SOURCE_DATE_EPOCH}" ]; then
+		echo "Make the build reproducible..."
+		touch -d "@${SOURCE_DATE_EPOCH}" $(find -name '*.texi')
+	fi
+
 	echo "Run make for bios build..."
 	make
 }