diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index a170fe7df..ce71f2187 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -112,6 +112,7 @@ New Feature
     * [LANG-610] - Extend exception handling in ConcurrentUtils to runtime exceptions
     * [LANG-625] - Add StringUtils.containsWhitespace(String str)
     * [LANG-653] - Provide a very basic ConcurrentInitializer implementation
+    * [LANG-678] - Add support for ConcurrentMap.putIfAbsent()
 
 Task
 
diff --git a/src/site/changes/changes.xml b/src/site/changes/changes.xml
index 2ca925f07..604a12d7b 100644
--- a/src/site/changes/changes.xml
+++ b/src/site/changes/changes.xml
@@ -22,6 +22,7 @@
   <body>
 
   <release version="3.0" date="Unreleased" description="Backwards incompatible update of Commons Lang to Java 5">
+    <action type="add" issue="LANG-678">Add support for ConcurrentMap.putIfAbsent()</action>
     <action type="add" issue="LANG-676">Documented potential NPE if auto-boxing occurs for some BooleanUtils methods</action>
     <action type="fix" issue="LANG-677">DateUtils.isSameLocalTime compares using 12 hour clock and not 24 hour</action>
     <action type="add" issue="LANG-610">Extend exception handling in ConcurrentUtils to runtime exceptions.</action>
