diff --git a/.travis.yml b/.travis.yml
index 05f27e0..252cabf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ script: "make"
 notifications:
   email: false
 otp_release:
-  - 18.3
   - 19.3
-  - 20.0
+  - 20.3
+  - 21.3
+  - 22.2
diff --git a/README.md b/README.md
index 0ad8710..ebd199a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # leo_mq
 
-[![Build Status](https://travis-ci.org/leo-project/leo_mq.svg?branch=develop)](https://travis-ci.org/leo-project/leo_mq)
+[![Build Status](https://travis-ci.org/leo-project/leo_mq.svg?branch=v2)](https://travis-ci.org/leo-project/leo_mq)
 
 ## Overview
 
diff --git a/rebar.config b/rebar.config
index 2bdb3ff..1d4ae6b 100644
--- a/rebar.config
+++ b/rebar.config
@@ -4,7 +4,7 @@
 %% Leo MQ
 %%
 %% Copyright (c) 2012-2018 Rakuten, Inc.
-%% Copyright (c) 2019 Lions Data, Inc.
+%% Copyright (c) 2019-2020 Lions Data, Inc.
 %%
 %% This file is provided to you under the Apache License,
 %% Version 2.0 (the "License"); you may not use this file
@@ -21,10 +21,10 @@
 %% under the License.
 %%
 %%======================================================================
-{require_otp_vsn, "19|20|21"}.
+{require_otp_vsn, "19|20|21|22"}.
 
 {deps, [
-        {leo_backend_db, ".*", {git, "https://github.com/leo-project/leo_backend_db.git", {tag, "2.0.1"}}},
+        {leo_backend_db, ".*", {git, "https://github.com/leo-project/leo_backend_db.git", {tag, "2.0.2"}}},
         {meck,           ".*", {git, "https://github.com/eproxus/meck.git",               {tag, "0.8.13"}}}
        ]}.
 
diff --git a/replace_otp_vsn.sh b/replace_otp_vsn.sh
index c921a17..c9029c4 100755
--- a/replace_otp_vsn.sh
+++ b/replace_otp_vsn.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-find . -name rebar.config|xargs sed -i 's/require_otp_vsn,\s\+"\(.\+\)"/require_otp_vsn, "18|19|20"/g'
+find . -name rebar.config|xargs sed -i 's/require_otp_vsn,\s\+"\(.\+\)"/require_otp_vsn, "19|20|21|22"/g'
diff --git a/src/leo_mq.app.src b/src/leo_mq.app.src
index d4834c6..d35e603 100644
--- a/src/leo_mq.app.src
+++ b/src/leo_mq.app.src
@@ -4,6 +4,7 @@
 %% Leo MQ
 %%
 %% Copyright (c) 2012-2018 Rakuten, Inc.
+%% Copyright (c) 2019-2020 Lions Data, Ltd.
 %%
 %% This file is provided to you under the Apache License,
 %% Version 2.0 (the "License"); you may not use this file
@@ -23,7 +24,7 @@
 {application, leo_mq,
  [
   {description, "Leo MQ"},
-  {vsn, "2.0.2"},
+  {vsn, "2.0.3"},
   {id, "leo_mq"},
   {registered,   []},
   {applications, [kernel, stdlib]},