diff --git a/internal/rosa/kernel.go b/internal/rosa/kernel.go
index 667650e..06c1d03 100644
--- a/internal/rosa/kernel.go
+++ b/internal/rosa/kernel.go
@@ -14,8 +14,8 @@ func (t Toolchain) newKernel(
 	extra ...pkg.Artifact,
 ) pkg.Artifact {
 	const (
-		version  = "6.18.5"
-		checksum = "-V1e1WWl7HuePkmm84sSKF7nLuHfUs494uNMzMqXEyxcNE_PUE0FICL0oGWn44mM"
+		version  = "6.12.73"
+		checksum = "29oUBJKF1ULIv1-XQLpEUUc3LgjUSmyvOSskG37MYUcBlBjMk7RcbCTLrD7UfSM6"
 	)
 	return t.New("kernel-"+version, flag, slices.Concat([]pkg.Artifact{
 		t.Load(Make),