diff --git a/_service b/_service
index b3eedaf..a66bbc1 100644
--- a/_service
+++ b/_service
@@ -3,7 +3,7 @@
     <param name="url">https://github.com/influxdata/telegraf</param>
     <param name="scm">git</param>
     <param name="exclude">.git</param>
-    <param name="revision">v1.20.4</param>
+    <param name="revision">v1.21.2</param>
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="changesgenerate">enable</param>
     <param name="versionrewrite-pattern">v(.*)</param>
diff --git a/_servicedata b/_servicedata
index 0e16e2d..0fab4b3 100644
--- a/_servicedata
+++ b/_servicedata
@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">https://github.com/influxdata/telegraf</param>
-              <param name="changesrevision">f45647269c350f8d13c1e336dffc9fc300575c95</param></service></servicedata>
\ No newline at end of file
+              <param name="changesrevision">29fe0159ac105fbce41a9b2751bc361db87bc9cb</param></service></servicedata>
\ No newline at end of file
diff --git a/telegraf-1.20.4.tar.xz b/telegraf-1.20.4.tar.xz
deleted file mode 100644
index 9f0c250..0000000
--- a/telegraf-1.20.4.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:dd6abf400e69706fcf8efdfb0304720d32ce06ed6a4c4ddbd87e8a1d82503b55
-size 2162508
diff --git a/telegraf-1.21.2.tar.xz b/telegraf-1.21.2.tar.xz
new file mode 100644
index 0000000..7c93a56
--- /dev/null
+++ b/telegraf-1.21.2.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eacc24b026f0175a1821294da44ea53f2f538e5f30bde90e4e9273e067e94b28
+size 2263492
diff --git a/telegraf.changes b/telegraf.changes
index 1c0229b..c8b165e 100644
--- a/telegraf.changes
+++ b/telegraf.changes
@@ -1,3 +1,27 @@
+-------------------------------------------------------------------
+Wed Jan 12 19:52:25 UTC 2022 - reichwald@b1-systems.de
+
+- Update to version 1.21.2:
+  * Add json_timestamp_layout configuration option
+  * output.http add use_batch_format configuration option
+  * Many bug fixes, see full list:
+  https://github.com/influxdata/telegraf/releases/tag/v1.21.2
+- Update to version 1.21.1:
+  * inputs.smart Add SMART plugin concurrency configuration option, nvme-cli v1.14+ support
+  * Some bug fixes, see full list:
+  https://github.com/influxdata/telegraf/releases/tag/v1.21.1
+- Update to version 1.21.0:
+  * New Input Plugins
+    * intel_pmu input plugin
+    * Linux Volume Manager input plugin
+    * Openstack input plugin
+  * New Output Plugins
+    * groundwork output plugin
+    * mongodp output plugin
+    * Azure Event Hubs output plugin
+  * Many bug fixes, see full list:
+  https://github.com/influxdata/telegraf/releases/tag/v1.21.0
+
 -------------------------------------------------------------------
 Tue Dec 14 16:21:37 UTC 2021 - Ferdinand Thiessen <rpm@fthiessen.de>
 
diff --git a/telegraf.spec b/telegraf.spec
index 0907487..b6dfdfc 100644
--- a/telegraf.spec
+++ b/telegraf.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package telegraf
 #
-# Copyright (c) 2021 SUSE LLC
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,7 +18,7 @@
 
 %define _config_dir %{_sysconfdir}/%{name}
 Name:           telegraf
-Version:        1.20.4
+Version:        1.21.2
 Release:        0
 Summary:        The plugin-driven server agent for collecting & reporting metrics
 License:        MIT
diff --git a/vendor.tar.xz b/vendor.tar.xz
index 9d70d6d..f549ba2 100644
--- a/vendor.tar.xz
+++ b/vendor.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:31a1510b20da3de1fcb51818e21112e4d0079e29de9e66a962ee9b4bc7b828d2
-size 17618296
+oid sha256:9e81f1c36f2cec1936dd22167d63cc7d168c48b18c555987f82505f6e67846f9
+size 17771852