diff --git a/linux57-rc-tkg/PKGBUILD b/linux57-rc-tkg/PKGBUILD
index e2521a1..584b448 100644
--- a/linux57-rc-tkg/PKGBUILD
+++ b/linux57-rc-tkg/PKGBUILD
@@ -83,7 +83,7 @@ else
 fi
 pkgname=("${pkgbase}" "${pkgbase}-headers")
 _basekernel=5.7
-_sub=rc3
+_sub=rc4
 pkgver="${_basekernel}"."${_sub}"
 pkgrel=1
 pkgdesc='Linux-tkg'
@@ -120,7 +120,7 @@ source=("https://git.kernel.org/torvalds/t/linux-${_basekernel}-${_sub}.tar.gz"
         #0012-linux-hardened.patch
         0013-tp_smapi_ec.patch
 )
-sha256sums=('861dec2280e325d7bdc1d21278df4c8c5c3aa01cb825e5062da85ff17f5b043f'
+sha256sums=('6bdbef0aa3e1964d84ec388ca40159753b7377291acc6293549188aea2b4d3d6'
             '0352c5ef2030d6bbdeae2325454d20575339917411c646004e5c7b7b5794db60'
             '1e15fc2ef3fa770217ecc63a220e5df2ddbcf3295eb4a021171e7edd4c6cc898'
             '66a03c246037451a77b4d448565b1d7e9368270c7d02872fbd0b5d024ed0a997'