diff --git a/.classpath b/.classpath
index 28eafbe2c..3026d1981 100644
--- a/.classpath
+++ b/.classpath
@@ -66,23 +66,23 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/build.xml b/build.xml
index fc935d95b..696f4d6c9 100644
--- a/build.xml
+++ b/build.xml
@@ -227,21 +227,21 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
@@ -252,8 +252,8 @@
-
-
+
+
diff --git a/lib/lucene-analyzers-common-6.6.5.jar b/lib/lucene-analyzers-common-6.6.6.jar
similarity index 92%
rename from lib/lucene-analyzers-common-6.6.5.jar
rename to lib/lucene-analyzers-common-6.6.6.jar
index d8309e6cd..072d483cc 100644
Binary files a/lib/lucene-analyzers-common-6.6.5.jar and b/lib/lucene-analyzers-common-6.6.6.jar differ
diff --git a/lib/lucene-analyzers-phonetic-6.6.5.jar b/lib/lucene-analyzers-phonetic-6.6.6.jar
similarity index 89%
rename from lib/lucene-analyzers-phonetic-6.6.5.jar
rename to lib/lucene-analyzers-phonetic-6.6.6.jar
index 43ff6871d..f0e7c463b 100644
Binary files a/lib/lucene-analyzers-phonetic-6.6.5.jar and b/lib/lucene-analyzers-phonetic-6.6.6.jar differ
diff --git a/lib/lucene-backward-codecs-6.6.5.jar b/lib/lucene-backward-codecs-6.6.6.jar
similarity index 60%
rename from lib/lucene-backward-codecs-6.6.5.jar
rename to lib/lucene-backward-codecs-6.6.6.jar
index 06b4e6f18..00972fc40 100644
Binary files a/lib/lucene-backward-codecs-6.6.5.jar and b/lib/lucene-backward-codecs-6.6.6.jar differ
diff --git a/lib/lucene-classification-6.6.5.jar b/lib/lucene-classification-6.6.6.jar
similarity index 81%
rename from lib/lucene-classification-6.6.5.jar
rename to lib/lucene-classification-6.6.6.jar
index df0cd2739..9feef9ab2 100644
Binary files a/lib/lucene-classification-6.6.5.jar and b/lib/lucene-classification-6.6.6.jar differ
diff --git a/lib/lucene-codecs-6.6.5.jar b/lib/lucene-codecs-6.6.6.jar
similarity index 66%
rename from lib/lucene-codecs-6.6.5.jar
rename to lib/lucene-codecs-6.6.6.jar
index 287076cbb..0f4779f44 100644
Binary files a/lib/lucene-codecs-6.6.5.jar and b/lib/lucene-codecs-6.6.6.jar differ
diff --git a/lib/lucene-core-6.6.5.jar b/lib/lucene-core-6.6.6.jar
similarity index 78%
rename from lib/lucene-core-6.6.5.jar
rename to lib/lucene-core-6.6.6.jar
index 98b8ffcb7..7c4bc3f6b 100644
Binary files a/lib/lucene-core-6.6.5.jar and b/lib/lucene-core-6.6.6.jar differ
diff --git a/lib/lucene-grouping-6.6.5.jar b/lib/lucene-grouping-6.6.6.jar
similarity index 90%
rename from lib/lucene-grouping-6.6.5.jar
rename to lib/lucene-grouping-6.6.6.jar
index ff18762bd..8855a3be8 100644
Binary files a/lib/lucene-grouping-6.6.5.jar and b/lib/lucene-grouping-6.6.6.jar differ
diff --git a/lib/lucene-highlighter-6.6.5.jar b/lib/lucene-highlighter-6.6.6.jar
similarity index 88%
rename from lib/lucene-highlighter-6.6.5.jar
rename to lib/lucene-highlighter-6.6.6.jar
index 085921189..a29b5b720 100644
Binary files a/lib/lucene-highlighter-6.6.5.jar and b/lib/lucene-highlighter-6.6.6.jar differ
diff --git a/lib/lucene-join-6.6.5.jar b/lib/lucene-join-6.6.6.jar
similarity index 90%
rename from lib/lucene-join-6.6.5.jar
rename to lib/lucene-join-6.6.6.jar
index c821ed028..1b5dc691f 100644
Binary files a/lib/lucene-join-6.6.5.jar and b/lib/lucene-join-6.6.6.jar differ
diff --git a/lib/lucene-memory-6.6.5.jar b/lib/lucene-memory-6.6.6.jar
similarity index 71%
rename from lib/lucene-memory-6.6.5.jar
rename to lib/lucene-memory-6.6.6.jar
index b317d0acb..f3a56a40f 100644
Binary files a/lib/lucene-memory-6.6.5.jar and b/lib/lucene-memory-6.6.6.jar differ
diff --git a/lib/lucene-misc-6.6.5.jar b/lib/lucene-misc-6.6.6.jar
similarity index 86%
rename from lib/lucene-misc-6.6.5.jar
rename to lib/lucene-misc-6.6.6.jar
index 91b28cda4..52c406c90 100644
Binary files a/lib/lucene-misc-6.6.5.jar and b/lib/lucene-misc-6.6.6.jar differ
diff --git a/lib/lucene-queries-6.6.5.jar b/lib/lucene-queries-6.6.6.jar
similarity index 89%
rename from lib/lucene-queries-6.6.5.jar
rename to lib/lucene-queries-6.6.6.jar
index 1f61896f9..bfd797fac 100644
Binary files a/lib/lucene-queries-6.6.5.jar and b/lib/lucene-queries-6.6.6.jar differ
diff --git a/lib/lucene-queryparser-6.6.5.jar b/lib/lucene-queryparser-6.6.6.jar
similarity index 87%
rename from lib/lucene-queryparser-6.6.5.jar
rename to lib/lucene-queryparser-6.6.6.jar
index d1236c66c..bfaf06f9d 100644
Binary files a/lib/lucene-queryparser-6.6.5.jar and b/lib/lucene-queryparser-6.6.6.jar differ
diff --git a/lib/lucene-spatial-extras-6.6.5.jar b/lib/lucene-spatial-extras-6.6.6.jar
similarity index 88%
rename from lib/lucene-spatial-extras-6.6.5.jar
rename to lib/lucene-spatial-extras-6.6.6.jar
index 76349438f..d31df9a3b 100644
Binary files a/lib/lucene-spatial-extras-6.6.5.jar and b/lib/lucene-spatial-extras-6.6.6.jar differ
diff --git a/lib/lucene-suggest-6.6.5.jar b/lib/lucene-suggest-6.6.6.jar
similarity index 56%
rename from lib/lucene-suggest-6.6.5.jar
rename to lib/lucene-suggest-6.6.6.jar
index 90d11fa96..820cdea88 100644
Binary files a/lib/lucene-suggest-6.6.5.jar and b/lib/lucene-suggest-6.6.6.jar differ
diff --git a/lib/solr-core-6.6.5.jar b/lib/solr-core-6.6.6.jar
similarity index 76%
rename from lib/solr-core-6.6.5.jar
rename to lib/solr-core-6.6.6.jar
index 2adbe187c..517bd5e38 100644
Binary files a/lib/solr-core-6.6.5.jar and b/lib/solr-core-6.6.6.jar differ
diff --git a/lib/solr-solrj-6.6.5.jar b/lib/solr-solrj-6.6.6.jar
similarity index 80%
rename from lib/solr-solrj-6.6.5.jar
rename to lib/solr-solrj-6.6.6.jar
index bc30ac28c..948c42433 100644
Binary files a/lib/solr-solrj-6.6.5.jar and b/lib/solr-solrj-6.6.6.jar differ
diff --git a/pom.xml b/pom.xml
index 10189beff..b33ed97e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,7 +34,7 @@
1.8
1.8
- 6.6.5
+ 6.6.6
9.4.17.v20190418