diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..cc91f18
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,7 @@
+0.1.3 (2021-05-02)
+==========
+
+## Bugfixes
+* avoid emitting warnings when ruby is run with -w [#1](https://github.com/codeclimate-community/simplecov_json_formatter/pull/1) @flavorjones
+
+
diff --git a/lib/simplecov_json_formatter/version.rb b/lib/simplecov_json_formatter/version.rb
index 82d6c59..7345fb7 100644
--- a/lib/simplecov_json_formatter/version.rb
+++ b/lib/simplecov_json_formatter/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module SimpleCovJSONFormatter
-  VERSION = '0.1.2'
+  VERSION = '0.1.3'
 end