diff --git a/internal/rosa/kernel.go b/internal/rosa/kernel.go
index 5aa39085..354e97ed 100644
--- a/internal/rosa/kernel.go
+++ b/internal/rosa/kernel.go
@@ -29,10 +29,13 @@ func init() {
 }
 
 func (t Toolchain) newKernelHeaders() (pkg.Artifact, string) {
-	const checksum = "lCmBNcMeUmXifg0vecKOPy3GAaFcJSmOPnf3wit9xYTDSTsFADPt1xxUFfmTn1fD"
+	checksum := perArch[string]{
+		"amd64": "lCmBNcMeUmXifg0vecKOPy3GAaFcJSmOPnf3wit9xYTDSTsFADPt1xxUFfmTn1fD",
+		"arm64": "PlRxp4JzZeMGx7CScRlT1NBzc2NVyJlb8Gm8sa3ofFght9ZT101ZJhcIXiCkHSHM",
+	}
 	return t.NewPackage("kernel-headers", kernelVersion, kernelSource, &PackageAttr{
 		Flag:          TEarly,
-		KnownChecksum: new(mustDecode(checksum)),
+		KnownChecksum: new(mustDecode(checksum.unwrap(t.S))),
 
 		Paths: []pkg.ExecPath{
 			// updated manually for API changes