diff --git a/mono-6.12.0.107.tar.xz b/mono-6.12.0.107.tar.xz
deleted file mode 100644
index 538c74c..0000000
--- a/mono-6.12.0.107.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:61f3cd629f8e99371c6b47c1f8d96b8ac46d9e851b5531eef20cdf9ab60d2a5f
-size 291862192
diff --git a/mono-6.12.0.122.tar.xz b/mono-6.12.0.122.tar.xz
new file mode 100644
index 0000000..fb97a68
--- /dev/null
+++ b/mono-6.12.0.122.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29c277660fc5e7513107aee1cbf8c5057c9370a4cdfeda2fc781be6986d89d23
+size 292266176
diff --git a/mono-core.changes b/mono-core.changes
index fd8e64d..23851df 100644
--- a/mono-core.changes
+++ b/mono-core.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Sep 30 18:05:19 UTC 2021 - Matthias Mailänder <mailaender@opensuse.org>
+
+- Update to version 6.12.0.122
+  * This is a security release which addresses CVE-2021-24112
+
 -------------------------------------------------------------------
 Mon Jun 21 19:09:51 UTC 2021 - Matej Cepl <mcepl@suse.com>
 
diff --git a/mono-core.spec b/mono-core.spec
index 9949b54..088eb3f 100644
--- a/mono-core.spec
+++ b/mono-core.spec
@@ -1,9 +1,7 @@
-
-
 #
 # spec file for package mono-core
 #
-# Copyright (c) 2020 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2021 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -39,7 +37,7 @@
 %define roslyn no
 %endif
 
-%define version_suffix 107
+%define version_suffix 122
 
 Name:           mono-core
 Version:        6.12.0