diff --git a/lib/src/trove4j_changes.txt b/lib/src/trove4j_changes.txt
index 4d8619f3cdfb..83bc17b9fb39 100644
--- a/lib/src/trove4j_changes.txt
+++ b/lib/src/trove4j_changes.txt
@@ -1,3 +1,11 @@
+Date: 16 Apr 2012
+   Changed classes:
+     gnu.trove.THash
+     gnu.trove.TPrimitiveHash
+     gnu.trove.TObjectHash
+     gnu.trove.benchmark.Main
+     - implement autocompact on removing keys. Failure to do so leads to linear access time
+
 Date: 15 Jan 2008
   Changed classes:
     gnu.trove.THashMap - fixed bug in put() method for null value
diff --git a/lib/src/trove4j_src.jar b/lib/src/trove4j_src.jar
index 8f333ba3f843..fa9e11ebe765 100644
Binary files a/lib/src/trove4j_src.jar and b/lib/src/trove4j_src.jar differ
diff --git a/lib/trove4j.jar b/lib/trove4j.jar
index 8f3c6a7f8438..85c46b401612 100644
Binary files a/lib/trove4j.jar and b/lib/trove4j.jar differ