2 files changed, 3 insertions, 3 deletions
diff --git a/.SRCINFO b/.SRCINFO
index 6b39c952609b..b1ccdc14c97d 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = linux-rt-bfq
 	pkgver = 5.2.21.rt13
-	pkgrel = 4
+	pkgrel = 5
 	url = https://github.com/sirlucjan/bfq-mq-lucjan
 	arch = x86_64
 	license = GPL2
diff --git a/PKGBUILD b/PKGBUILD
index ec8f15379c0f..6bf2acff114e 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -54,7 +54,7 @@ _rtpatchver=rt${_rtver}
 pkgver=${_major}.${_minor}.${_rtpatchver}
 _pkgver=${_major}.${_minor}
 _srcname=linux-${_pkgver}
-pkgrel=4
+pkgrel=5
 arch=('x86_64')
 url="https://github.com/sirlucjan/bfq-mq-lucjan"
 license=('GPL2')
@@ -86,7 +86,7 @@ source=("https://www.kernel.org/pub/linux/kernel/v5.x/${_srcname}.tar.xz"
 
 export KBUILD_BUILD_HOST=archlinux
 export KBUILD_BUILD_USER=$pkgbase
-export KBUILD_BUILD_TIMESTAMP="@${SOURCE_DATE_EPOCH:-$(date +%s)}"
+export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
 
 prepare() {
     cd $_srcname