diff --git a/PKGBUILD b/PKGBUILD
index 53276ec..a266fb0 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -767,7 +767,7 @@ case $_basever in
         0001-mm-Support-soft-dirty-flag-reset-for-VA-range.patch
         0002-mm-Support-soft-dirty-flag-read-with-reset.patch
     )
-    sha256sums=('b518d107c6727ebd74eb73b1fa36fbf5aee4e16ec39b1e3a0208ebb5fdd1127e'
+    sha256sums=('7c1cb399461d95e6dff3d18393a5d37c0a3e8398ea6e322b6f40d21cd2ba639e'
             #upcoming_kernel_patch_sha256
             'c96860d65053cb5accdf1d4f94f4b7bbe46e90a3e869aa3b4cdebc48a68289c1'
             '1e15fc2ef3fa770217ecc63a220e5df2ddbcf3295eb4a021171e7edd4c6cc898'
diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index 918a624..05bda5b 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -20,7 +20,7 @@ _kver_subver_map=(
   ["5.15"]="35"
   ["5.16"]="20"
   ["5.17"]="4"
-  ["5.18"]="rc3"
+  ["5.18"]="rc4"
 )
 
 # PREEMPT_RT's supported kernel subversion