diff --git a/CHANGES.txt b/CHANGES.txt
index a44ccab9555..29bb96bfea5 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -25,6 +25,7 @@ Release 0.19.0 - Unreleased
                disagreement between master and regionserver on region state
    HBASE-925   HRS NPE on way out if no master to connect to
    HBASE-928   NPE throwing RetriesExhaustedException
+   HBASE-924   Update hadoop in lib on 0.18 hbase branch to 0.18.1
 
   IMPROVEMENTS
    HBASE-901   Add a limit to key length, check key and value length on client side
diff --git a/lib/hadoop-0.18.0-core.jar b/lib/hadoop-0.18.1-core.jar
similarity index 87%
rename from lib/hadoop-0.18.0-core.jar
rename to lib/hadoop-0.18.1-core.jar
index ce6e3179ede..a024c3c2a83 100644
Binary files a/lib/hadoop-0.18.0-core.jar and b/lib/hadoop-0.18.1-core.jar differ
diff --git a/lib/hadoop-0.18.0-test.jar b/lib/hadoop-0.18.1-test.jar
similarity index 84%
rename from lib/hadoop-0.18.0-test.jar
rename to lib/hadoop-0.18.1-test.jar
index 80ae34625cc..bbb4be6858c 100644
Binary files a/lib/hadoop-0.18.0-test.jar and b/lib/hadoop-0.18.1-test.jar differ