diff --git a/kernel.spec b/kernel.spec
index 1a75dcae8..b575499c1 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -596,12 +596,22 @@ Source11: x509.genkey.fedora
 
 Source12: securebootca.cer
 Source13: secureboot.cer
+Source14: secureboot_s390.cer
+Source15: secureboot_ppc.cer
 
 %define secureboot_ca %{SOURCE12}
 %ifarch x86_64 aarch64
 %define secureboot_key %{SOURCE13}
 %define pesign_name redhatsecureboot301
 %endif
+%ifarch s390x
+%define secureboot_key %{SOURCE14}
+%define pesign_name redhatsecureboot302
+%endif
+%ifarch ppc64le
+%define secureboot_key %{SOURCE15}
+%define pesign_name redhatsecureboot303
+%endif
 
 %else # released_kernel
 
@@ -614,7 +624,7 @@ Source13: redhatsecureboot003.cer
 
 %endif # released_kernel
 
-Source15: mod-extra.list.rhel
+Source22: mod-extra.list.rhel
 Source16: mod-extra.list.fedora
 Source17: mod-extra.sh
 Source18: mod-sign.sh
diff --git a/secureboot_ppc.cer b/secureboot_ppc.cer
new file mode 100644
index 000000000..2c0087dbc
Binary files /dev/null and b/secureboot_ppc.cer differ
diff --git a/secureboot_s390.cer b/secureboot_s390.cer
new file mode 100644
index 000000000..137d3858f
Binary files /dev/null and b/secureboot_s390.cer differ