diff --git a/_service b/_service
index 175ba18..4624757 100644
--- a/_service
+++ b/_service
@@ -2,7 +2,7 @@
   <service mode="localonly" name="tar_scm">
     <param name="url">git://git.code.sf.net/p/linuxptp/code</param>
     <param name="scm">git</param>
-    <param name="revision">v3.1</param>
+    <param name="revision">v3.1.1</param>
     <param name="changesgenerate">enable</param>
     <param name="filename">linuxptp</param>
     <param name="versionformat">@PARENT_TAG@+git@TAG_OFFSET@.g%h</param>
diff --git a/_servicedata b/_servicedata
index 361ce1d..54f8227 100644
--- a/_servicedata
+++ b/_servicedata
@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">git://git.code.sf.net/p/linuxptp/code</param>
-              <param name="changesrevision">38ad3264f8726691c3fd0c97d0b34c8eee80c11b</param></service></servicedata>
\ No newline at end of file
+              <param name="changesrevision">6feb76186ac39eab2fc011053f1cf46bfc94c8e4</param></service></servicedata>
\ No newline at end of file
diff --git a/linuxptp-3.1.1.tar.xz b/linuxptp-3.1.1.tar.xz
new file mode 100644
index 0000000..2374cb8
--- /dev/null
+++ b/linuxptp-3.1.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0b93991a22ab8281c029eeadae53cd4e59981dfe34f11cc933ad2748b2b0fb8e
+size 160252
diff --git a/linuxptp-3.1.tar.xz b/linuxptp-3.1.tar.xz
deleted file mode 100644
index da47a69..0000000
--- a/linuxptp-3.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8c8fec4132eee3add41ee4904096344a4643c3de0fa7579cf4d6e951fd4cba7d
-size 160220
diff --git a/linuxptp.changes b/linuxptp.changes
index 781c188..24a3d01 100644
--- a/linuxptp.changes
+++ b/linuxptp.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Jul 06 08:06:16 UTC 2021 - jbohac@suse.com
+
+- Update to version 3.1.1:
+  * Version 3.1.1
+  * tc: Fix length of follow-up message of one-step sync.
+  * Validate the messageLength field of incoming messages.
+
 -------------------------------------------------------------------
 Tue Nov 10 21:35:12 UTC 2020 - jbohac@suse.com
 
diff --git a/linuxptp.spec b/linuxptp.spec
index e2808af..fc44636 100644
--- a/linuxptp.spec
+++ b/linuxptp.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package linuxptp
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -21,7 +21,7 @@
   %define _fillupdir %{_localstatedir}/adm/fillup-templates
 %endif
 Name:           linuxptp
-Version:        3.1
+Version:        3.1.1
 Release:        0
 Summary:        Precision Time Protocol v2 daemon
 License:        GPL-2.0-or-later