diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 4dae75bd031..eb4cee8ff62 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -87,6 +87,9 @@ Release 2.1.2 - UNRELEASED
     MAPREDUCE-5170. Fixed a wrong log message in CombineFileInputFormat class.
     (Sangjin Lee via vinodkv)
 
+    MAPREDUCE-5525. Increase timeout of TestDFSIO.testAppend and
+    TestMRJobsWithHistoryService.testJobHistoryData. (Chuan Liu via cnauroth)
+
 Release 2.1.1-beta - 2013-09-23
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/TestDFSIO.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/TestDFSIO.java
index 49b3fac2f37..2384ff1c25e 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/TestDFSIO.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/TestDFSIO.java
@@ -270,7 +270,7 @@ public class TestDFSIO implements Tool {
     bench.analyzeResult(fs, TestType.TEST_TYPE_READ_SKIP, execTime);
   }
 
-  @Test (timeout = 3000)
+  @Test (timeout = 6000)
   public void testAppend() throws Exception {
     FileSystem fs = cluster.getFileSystem();
     long tStart = System.currentTimeMillis();
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java
index 096a6f44c98..a52b34d62cd 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java
@@ -111,7 +111,7 @@ public class TestMRJobsWithHistoryService {
     }
   }
 
-  @Test (timeout = 30000)
+  @Test (timeout = 90000)
   public void testJobHistoryData() throws IOException, InterruptedException,
       AvroRemoteException, ClassNotFoundException {
     if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {