diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 7affd988920..cb1d6450d84 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -26,7 +26,7 @@ Versions of Major Components
 ---------------------
 Apache Lucene trunk
 Apache Tika 0.8-SNAPSHOT
-Carrot2 3.1.0
+Carrot2 3.4.2
 Velocity 1.6.4 and Velocity Tools 2.0
 
 
diff --git a/solr/contrib/clustering/lib/carrot2-core-3.4.0.jar b/solr/contrib/clustering/lib/carrot2-core-3.4.0.jar
deleted file mode 100644
index a09b28ac477..00000000000
--- a/solr/contrib/clustering/lib/carrot2-core-3.4.0.jar
+++ /dev/null
@@ -1,2 +0,0 @@
-AnyObjectId[96c3bdbdaacd5289b0e654842e435689fbcf22e2] was removed in git history.
-Apache SVN contains full history.
\ No newline at end of file
diff --git a/solr/contrib/clustering/lib/carrot2-core-3.4.2.jar b/solr/contrib/clustering/lib/carrot2-core-3.4.2.jar
new file mode 100644
index 00000000000..6b8fdb5699c
--- /dev/null
+++ b/solr/contrib/clustering/lib/carrot2-core-3.4.2.jar
@@ -0,0 +1,2 @@
+AnyObjectId[f872cbc8eec94f7d5b29a73f99cd13089848a3cd] was removed in git history.
+Apache SVN contains full history.
\ No newline at end of file
diff --git a/solr/contrib/clustering/src/main/java/org/apache/solr/handler/clustering/carrot2/LuceneLanguageModelFactory.java b/solr/contrib/clustering/src/main/java/org/apache/solr/handler/clustering/carrot2/LuceneLanguageModelFactory.java
index d7b2ace1f6b..ddb3d59bce8 100644
--- a/solr/contrib/clustering/src/main/java/org/apache/solr/handler/clustering/carrot2/LuceneLanguageModelFactory.java
+++ b/solr/contrib/clustering/src/main/java/org/apache/solr/handler/clustering/carrot2/LuceneLanguageModelFactory.java
@@ -31,7 +31,7 @@ import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 import org.carrot2.core.LanguageCode;
 import org.carrot2.text.analysis.ExtendedWhitespaceTokenizer;
 import org.carrot2.text.analysis.ITokenizer;
-import org.carrot2.text.linguistic.BaseLanguageModelFactory;
+import org.carrot2.text.linguistic.DefaultLanguageModelFactory;
 import org.carrot2.text.linguistic.IStemmer;
 import org.carrot2.text.linguistic.IdentityStemmer;
 import org.carrot2.text.util.MutableCharArray;
@@ -62,7 +62,7 @@ import org.tartarus.snowball.ext.TurkishStemmer;
  * change, the changes can be made in this class.
  */
 @Bindable(prefix = "DefaultLanguageModelFactory")
-public class LuceneLanguageModelFactory extends BaseLanguageModelFactory {
+public class LuceneLanguageModelFactory extends DefaultLanguageModelFactory {
 	final static Logger logger = org.slf4j.LoggerFactory
 			.getLogger(LuceneLanguageModelFactory.class);