diff --git a/SOURCES/centos-kpatch.cer b/SOURCES/centos-kpatch.cer
deleted file mode 100644
index 27ec44d..0000000
Binary files a/SOURCES/centos-kpatch.cer and /dev/null differ
diff --git a/SOURCES/centos-kpatch.x509 b/SOURCES/centos-kpatch.x509
new file mode 100644
index 0000000..ca57a43
Binary files /dev/null and b/SOURCES/centos-kpatch.x509 differ
diff --git a/SOURCES/centos-ldup.cer b/SOURCES/centos-ldup.cer
deleted file mode 100644
index 0962d71..0000000
Binary files a/SOURCES/centos-ldup.cer and /dev/null differ
diff --git a/SOURCES/centos-ldup.x509 b/SOURCES/centos-ldup.x509
new file mode 100644
index 0000000..9c65dd3
Binary files /dev/null and b/SOURCES/centos-ldup.x509 differ
diff --git a/SPECS/kernel.spec b/SPECS/kernel.spec
index 2975cab..a1c5780 100644
--- a/SPECS/kernel.spec
+++ b/SPECS/kernel.spec
@@ -339,8 +339,8 @@ Source10: sign-modules
 Source11: x509.genkey
 Source12: extra_certificates
 Source13: centos.cer
-Source15: centos-ldup.cer
-Source16: centos-kpatch.cer
+Source15: centos-ldup.x509
+Source16: centos-kpatch.x509
 
 Source18: check-kabi