diff --git a/centos-mirror-tools/rpm-gpg-keys/RPM-GPG-KEY-cern b/centos-mirror-tools/rpm-gpg-keys/RPM-GPG-KEY-cern
new file mode 100644
index 00000000..fdedfa10
--- /dev/null
+++ b/centos-mirror-tools/rpm-gpg-keys/RPM-GPG-KEY-cern
@@ -0,0 +1,28 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.2.6 (GNU/Linux)
+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+=IUD3
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/centos-mirror-tools/rpms_from_3rd_parties.lst b/centos-mirror-tools/rpms_from_3rd_parties.lst
index 5e857421..c65d4622 100644
--- a/centos-mirror-tools/rpms_from_3rd_parties.lst
+++ b/centos-mirror-tools/rpms_from_3rd_parties.lst
@@ -42,6 +42,7 @@ iptables-1.4.21-18.0.1.el7.centos.x86_64.rpm#http://vault.centos.org/7.4.1708/os
 java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64.rpm#http://vault.centos.org/7.4.1708/updates/x86_64/Packages/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64.rpm
 java-1.8.0-openjdk-devel-1.8.0.144-0.b01.el7_4.x86_64.rpm#http://vault.centos.org/7.4.1708/updates/x86_64/Packages/java-1.8.0-openjdk-devel-1.8.0.144-0.b01.el7_4.x86_64.rpm
 java-1.8.0-openjdk-headless-1.8.0.144-0.b01.el7_4.x86_64.rpm#http://vault.centos.org/7.4.1708/updates/x86_64/Packages/java-1.8.0-openjdk-headless-1.8.0.144-0.b01.el7_4.x86_64.rpm
+kernel-rt-3.10.0-693.21.1.rt56.639.el7.src.rpm#http://ftp.riken.jp/Linux/cern/centos/7/rt/Sources/SPackages/kernel-rt-3.10.0-693.21.1.rt56.639.el7.src.rpm
 kexec-tools-2.0.14-17.el7.x86_64.rpm#http://vault.centos.org/7.4.1708/os/x86_64/Packages/kexec-tools-2.0.14-17.el7.x86_64.rpm
 libblkid-2.23.2-43.el7.x86_64.rpm#http://vault.centos.org/7.4.1708/os/x86_64/Packages/libblkid-2.23.2-43.el7.x86_64.rpm
 libcom_err-1.42.9-10.el7.x86_64.rpm#http://vault.centos.org/7.4.1708/os/x86_64/Packages/libcom_err-1.42.9-10.el7.x86_64.rpm
diff --git a/centos-mirror-tools/rpms_from_centos_repo.lst b/centos-mirror-tools/rpms_from_centos_repo.lst
index 5613eea3..b7c56db7 100644
--- a/centos-mirror-tools/rpms_from_centos_repo.lst
+++ b/centos-mirror-tools/rpms_from_centos_repo.lst
@@ -408,9 +408,8 @@ kbd-legacy-1.15.5-13.el7.noarch.rpm
 kbd-misc-1.15.5-13.el7.noarch.rpm
 kde-filesystem-4-47.el7.x86_64.rpm
 keepalived-1.3.5-6.el7.x86_64.rpm
-kernel-3.10.0-693.2.2.el7.src.rpm
+kernel-3.10.0-693.21.1.el7.src.rpm
 kernel-headers-3.10.0-862.2.3.el7.x86_64.rpm
-kernel-rt-3.10.0-693.2.2.rt56.623.el7.src.rpm
 keyutils-1.5.8-3.el7.x86_64.rpm
 keyutils-libs-1.5.8-3.el7.x86_64.rpm
 keyutils-libs-devel-1.5.8-3.el7.x86_64.rpm