diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index c8e95871c74..dbcaabdfc8d 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -1771,7 +1771,7 @@ Release 2.6.4 - UNRELEASED
     HADOOP-11252. RPC client does not time out by default.
     (Wilfred Spiegelenburg and Masatake Iwasaki via aajisaka)
 
-Release 2.6.3 - UNRELEASED
+Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES
 
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 4b8e42cf4e1..843bdce1325 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -2850,7 +2850,7 @@ Release 2.6.4 - UNRELEASED
 
   BUG FIXES
 
-Release 2.6.3 - UNRELEASED
+Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES
 
diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 9cf792234b6..58fc9abf360 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -701,7 +701,7 @@ Release 2.6.4 - UNRELEASED
 
   BUG FIXES
 
-Release 2.6.3 - UNRELEASED
+Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES
 
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 23f1525e339..2c37207f161 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -2075,7 +2075,7 @@ Release 2.6.4 - UNRELEASED
   YARN-4452. NPE when submit Unmanaged application. (Naganarasimha G R
   via junping_du)
 
-Release 2.6.3 - UNRELEASED
+Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES