diff --git a/cim-schema.changes b/cim-schema.changes
index ff46531..40e039d 100644
--- a/cim-schema.changes
+++ b/cim-schema.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Sat Aug 15 16:51:15 UTC 2020 - Klaus Kämpf <kkaempf@suse.com>
+
+- Upgrade to version 2.53.0
+  http://www.dmtf.org/sites/default/files/cim/cim_schema_v2530/releasenotes.html
+
+- Upgrade to version 2.52.0
+  http://www.dmtf.org/sites/default/files/cim/cim_schema_v2520/releasenotes.html
+
+- Upgrade to version 2.51.0
+  http://www.dmtf.org/sites/default/files/cim/cim_schema_v2510/releasenotes.html
+
 -------------------------------------------------------------------
 Wed Jan 10 12:45:03 UTC 2018 - kkaempf@suse.com
 
diff --git a/cim-schema.spec b/cim-schema.spec
index 3535d50..168adc3 100644
--- a/cim-schema.spec
+++ b/cim-schema.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package cim-schema
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,18 +12,18 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
 Name:           cim-schema
-Version:        2.50.0
+Version:        2.53.0
 Release:        0
 Summary:        Common Information Model (CIM) Schema
 License:        SUSE-DMTF
 Group:          System/Management
-Url:            http://www.dmtf.org/
-Source0:        http://www.dmtf.org/sites/default/files/cim/cim_schema_v2500/cim_schema_%{version}Experimental-MOFs.zip
+URL:            http://www.dmtf.org/
+Source0:        http://www.dmtf.org/sites/default/files/cim/cim_schema_v2530/cim_schema_%{version}Experimental-MOFs.zip
 Source1:        loadmof.sh
 Source2:        rmmof.sh
 BuildRequires:  unzip
diff --git a/cim_schema_2.50.0Experimental-MOFs.zip b/cim_schema_2.50.0Experimental-MOFs.zip
deleted file mode 100644
index 06fd87a..0000000
--- a/cim_schema_2.50.0Experimental-MOFs.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a44d67881325e267ef46b72eabe0c69f90470b1033b1ce7c26d9ba99072adb50
-size 2189767
diff --git a/cim_schema_2.53.0Experimental-MOFs.zip b/cim_schema_2.53.0Experimental-MOFs.zip
new file mode 100644
index 0000000..e75526b
--- /dev/null
+++ b/cim_schema_2.53.0Experimental-MOFs.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1450f2b9d226e8de29729d0266a9b6d583a0406355bc467764d7a3085d86e7b2
+size 2195083