diff --git a/WHATSNEW b/WHATSNEW
index ff3c67c39..fe9bc623b 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -22,7 +22,7 @@ Other changes:
 --------------
 
 * New tasks: ear, p4counter, record, cvspass, vsscheckin, vsscheckout,
-  typedef
+  typedef, sleep
 
 * Ant now uses JAXP 1.1
 
diff --git a/docs/manual/coretasklist.html b/docs/manual/coretasklist.html
index 210ba48cf..79bafb8f1 100644
--- a/docs/manual/coretasklist.html
+++ b/docs/manual/coretasklist.html
@@ -57,6 +57,7 @@
 <a href="CoreTasks/replace.html">Replace</a><br>
 <a href="CoreTasks/rmic.html">Rmic</a><br>
 <a href="CoreTasks/signjar.html">SignJar</a><br>
+<a href="CoreTasks/sleep.html">Sleep</a><br>
 <a href="CoreTasks/sql.html">Sql</a><br>
 <a href="CoreTasks/style.html">Style</a><br>
 <a href="CoreTasks/tar.html">Tar</a><br>
diff --git a/src/main/org/apache/tools/ant/taskdefs/defaults.properties b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
index a2501d5de..90707d04e 100644
--- a/src/main/org/apache/tools/ant/taskdefs/defaults.properties
+++ b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
@@ -46,6 +46,7 @@ apply=org.apache.tools.ant.taskdefs.Transform
 record=org.apache.tools.ant.taskdefs.Recorder
 cvspass=org.apache.tools.ant.taskdefs.CVSPass
 typedef=org.apache.tools.ant.taskdefs.Typedef
+sleep=org.apache.tools.ant.taskdefs.Sleep
 
 # optional tasks
 script=org.apache.tools.ant.taskdefs.optional.Script