diff --git a/core/systemd/PKGBUILD b/core/systemd/PKGBUILD
index ab23abc60..eafd85558 100644
--- a/core/systemd/PKGBUILD
+++ b/core/systemd/PKGBUILD
@@ -9,8 +9,8 @@
 
 pkgbase=systemd
 pkgname=('systemd' 'systemd-libs' 'systemd-resolvconf' 'systemd-sysvcompat')
-_tag='d4e667ac81543c06269c940ac5528cfd08ee5aac' # git rev-parse v${_tag_name}
-_tag_name=251.5
+_tag='9442acae93a851fd666ffa4eaaf82acabee292b5' # git rev-parse v${_tag_name}
+_tag_name=251.6
 pkgver="${_tag_name/-/}"
 pkgrel=1
 arch=('x86_64')
@@ -69,6 +69,8 @@ sha512sums=('SKIP'
             '825b9dd0167c072ba62cabe0677e7cd20f2b4b850328022540f122689d8b25315005fa98ce867cf6e7460b2b26df16b88bb3b5c9ebf721746dce4e2271af7b97')
 
 _backports=(
+  # meson: Fix build with --optimization=plain
+  '7aa4762ce274a1c9a59902b972fa4fdee1b22715'
 )
 
 _reverts=(
@@ -126,10 +128,6 @@ build() {
     -Dshared-lib-tag="${pkgver}-${pkgrel}"
     -Dmode=release
 
-    # https://bugs.archlinux.org/task/75852
-    --buildtype debugoptimized
-    -D b_ndebug=true
-
     -Dgnu-efi=$gnu_efi
     -Dima=false
     -Dlibidn2=true