diff --git a/PKGBUILD b/PKGBUILD
index 031725a..c2c9f4d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -875,7 +875,7 @@ case $_basever in
         # O3
         0013-optimize_harder_O3.patch
     )
-    sha256sums=('9fbca4f2bbea82311c877377497174b5521f33daf3b0e29cacec92601780e2b3'
+    sha256sums=('4b4d142d7c4307cc6ec17a984652b4e04c74dc4bccdd8adcb6c0572bce11ca48'
             #upcoming_kernel_patch_sha256
             '69cba79d1ba049459d4fb2e0494320fef82d4ecbaca2e0959d09d1e50e69f003'
             '1e15fc2ef3fa770217ecc63a220e5df2ddbcf3295eb4a021171e7edd4c6cc898'
diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index 75e30f5..87b071f 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -22,7 +22,7 @@ _kver_subver_map=(
   ["5.17"]="15"
   ["5.18"]="19"
   ["5.19"]="6"
-  ["6.0"]="rc3"
+  ["6.0"]="rc4"
 )
 
 # PREEMPT_RT's supported kernel subversion