README.md in embulk-input-jira-0.0.4 vs README.md in embulk-input-jira-0.0.5

@@ -6,9 +6,11 @@
 
 embulk-input-jira is the Embulk input plugin for [JIRA](https://www.atlassian.com/software/jira).
 
 ## Overview
 
+Required Embulk version >= 0.6.12
+
 * **Plugin type**: input
 * **Resume supported**: no
 * **Cleanup supported**: no
 * **Guess supported**: yes