diff --git a/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/server/TestAuthenticationToken.java b/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/server/TestAuthenticationToken.java
index 25f91002174..bb5251f8339 100644
--- a/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/server/TestAuthenticationToken.java
+++ b/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication/server/TestAuthenticationToken.java
@@ -88,7 +88,7 @@ public class TestAuthenticationToken extends TestCase {
     assertEquals("t", token.getType());
     assertEquals(expires, token.getExpires());
     assertFalse(token.isExpired());
-    Thread.sleep(51);
+    Thread.sleep(70);               // +20 msec fuzz for timer granularity.
     assertTrue(token.isExpired());
   }
 
@@ -102,7 +102,7 @@ public class TestAuthenticationToken extends TestCase {
     assertEquals("t", token.getType());
     assertEquals(expires, token.getExpires());
     assertFalse(token.isExpired());
-    Thread.sleep(51);
+    Thread.sleep(70);               // +20 msec fuzz for timer granularity.
     assertTrue(token.isExpired());
   }
 
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 16d23c80957..dc75a483d7d 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -554,6 +554,8 @@ Trunk (Unreleased)
     HADOOP-9556. disable HA tests on Windows that fail due to ZooKeeper client
     connection management bug. (Chris Nauroth via suresh)
 
+    HADOOP-9553. TestAuthenticationToken fails on Windows.
+    (Arpit Agarwal via suresh)
 
 Release 2.0.5-beta - UNRELEASED