diff --git a/.classpath b/.classpath
index 9721b6604..f507f08c4 100644
--- a/.classpath
+++ b/.classpath
@@ -65,26 +65,26 @@
-
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+
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+
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diff --git a/build.xml b/build.xml
index 6d2e4388b..373c69dbc 100644
--- a/build.xml
+++ b/build.xml
@@ -208,22 +208,22 @@
-
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@@ -234,8 +234,8 @@
-
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diff --git a/lib/lucene-analyzers-common-5.5.1.jar b/lib/lucene-analyzers-common-5.5.2.jar
similarity index 65%
rename from lib/lucene-analyzers-common-5.5.1.jar
rename to lib/lucene-analyzers-common-5.5.2.jar
index ec29040ee..7506e1f98 100644
Binary files a/lib/lucene-analyzers-common-5.5.1.jar and b/lib/lucene-analyzers-common-5.5.2.jar differ
diff --git a/lib/lucene-analyzers-phonetic-5.5.1.jar b/lib/lucene-analyzers-phonetic-5.5.2.jar
similarity index 67%
rename from lib/lucene-analyzers-phonetic-5.5.1.jar
rename to lib/lucene-analyzers-phonetic-5.5.2.jar
index ccf216bd6..9b325a630 100644
Binary files a/lib/lucene-analyzers-phonetic-5.5.1.jar and b/lib/lucene-analyzers-phonetic-5.5.2.jar differ
diff --git a/lib/lucene-backward-codecs-5.5.1.jar b/lib/lucene-backward-codecs-5.5.2.jar
similarity index 69%
rename from lib/lucene-backward-codecs-5.5.1.jar
rename to lib/lucene-backward-codecs-5.5.2.jar
index b956d2eba..fbac8b98f 100644
Binary files a/lib/lucene-backward-codecs-5.5.1.jar and b/lib/lucene-backward-codecs-5.5.2.jar differ
diff --git a/lib/lucene-classification-5.5.1.jar b/lib/lucene-classification-5.5.2.jar
similarity index 91%
rename from lib/lucene-classification-5.5.1.jar
rename to lib/lucene-classification-5.5.2.jar
index 330769397..b5f0ad3ed 100644
Binary files a/lib/lucene-classification-5.5.1.jar and b/lib/lucene-classification-5.5.2.jar differ
diff --git a/lib/lucene-codecs-5.5.1.jar b/lib/lucene-codecs-5.5.2.jar
similarity index 80%
rename from lib/lucene-codecs-5.5.1.jar
rename to lib/lucene-codecs-5.5.2.jar
index fdc493651..5587a9835 100644
Binary files a/lib/lucene-codecs-5.5.1.jar and b/lib/lucene-codecs-5.5.2.jar differ
diff --git a/lib/lucene-core-5.5.1.jar b/lib/lucene-core-5.5.2.jar
similarity index 74%
rename from lib/lucene-core-5.5.1.jar
rename to lib/lucene-core-5.5.2.jar
index c52dd9e33..5015c5ff4 100644
Binary files a/lib/lucene-core-5.5.1.jar and b/lib/lucene-core-5.5.2.jar differ
diff --git a/lib/lucene-facet-5.5.1.jar b/lib/lucene-facet-5.5.2.jar
similarity index 82%
rename from lib/lucene-facet-5.5.1.jar
rename to lib/lucene-facet-5.5.2.jar
index 6079de49b..006d24a47 100644
Binary files a/lib/lucene-facet-5.5.1.jar and b/lib/lucene-facet-5.5.2.jar differ
diff --git a/lib/lucene-grouping-5.5.1.jar b/lib/lucene-grouping-5.5.2.jar
similarity index 80%
rename from lib/lucene-grouping-5.5.1.jar
rename to lib/lucene-grouping-5.5.2.jar
index ee839ac2d..37a938401 100644
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diff --git a/lib/lucene-highlighter-5.5.1.jar b/lib/lucene-highlighter-5.5.2.jar
similarity index 71%
rename from lib/lucene-highlighter-5.5.1.jar
rename to lib/lucene-highlighter-5.5.2.jar
index 02cef29b0..6b5b7d818 100644
Binary files a/lib/lucene-highlighter-5.5.1.jar and b/lib/lucene-highlighter-5.5.2.jar differ
diff --git a/lib/lucene-join-5.5.1.jar b/lib/lucene-join-5.5.2.jar
similarity index 67%
rename from lib/lucene-join-5.5.1.jar
rename to lib/lucene-join-5.5.2.jar
index 250f4ef3e..1443093ca 100644
Binary files a/lib/lucene-join-5.5.1.jar and b/lib/lucene-join-5.5.2.jar differ
diff --git a/lib/lucene-memory-5.5.1.jar b/lib/lucene-memory-5.5.2.jar
similarity index 91%
rename from lib/lucene-memory-5.5.1.jar
rename to lib/lucene-memory-5.5.2.jar
index e35463843..539caf648 100644
Binary files a/lib/lucene-memory-5.5.1.jar and b/lib/lucene-memory-5.5.2.jar differ
diff --git a/lib/lucene-misc-5.5.1.jar b/lib/lucene-misc-5.5.2.jar
similarity index 80%
rename from lib/lucene-misc-5.5.1.jar
rename to lib/lucene-misc-5.5.2.jar
index ac0325d50..9fab30e40 100644
Binary files a/lib/lucene-misc-5.5.1.jar and b/lib/lucene-misc-5.5.2.jar differ
diff --git a/lib/lucene-queries-5.5.1.jar b/lib/lucene-queries-5.5.2.jar
similarity index 80%
rename from lib/lucene-queries-5.5.1.jar
rename to lib/lucene-queries-5.5.2.jar
index 543207653..284da010a 100644
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diff --git a/lib/lucene-queryparser-5.5.1.jar b/lib/lucene-queryparser-5.5.2.jar
similarity index 67%
rename from lib/lucene-queryparser-5.5.1.jar
rename to lib/lucene-queryparser-5.5.2.jar
index 0d33f79fe..ed7c63be6 100644
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diff --git a/lib/lucene-spatial-5.5.1.jar b/lib/lucene-spatial-5.5.2.jar
similarity index 78%
rename from lib/lucene-spatial-5.5.1.jar
rename to lib/lucene-spatial-5.5.2.jar
index 43ce7fab1..a8c9e4aef 100644
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diff --git a/lib/lucene-suggest-5.5.1.jar b/lib/lucene-suggest-5.5.2.jar
similarity index 71%
rename from lib/lucene-suggest-5.5.1.jar
rename to lib/lucene-suggest-5.5.2.jar
index 898f3f5cb..1004d21b9 100644
Binary files a/lib/lucene-suggest-5.5.1.jar and b/lib/lucene-suggest-5.5.2.jar differ
diff --git a/lib/solr-core-5.5.1.jar b/lib/solr-core-5.5.2.jar
similarity index 68%
rename from lib/solr-core-5.5.1.jar
rename to lib/solr-core-5.5.2.jar
index 5f905be05..83f2bf412 100644
Binary files a/lib/solr-core-5.5.1.jar and b/lib/solr-core-5.5.2.jar differ
diff --git a/lib/solr-solrj-5.5.1.jar b/lib/solr-solrj-5.5.2.jar
similarity index 61%
rename from lib/solr-solrj-5.5.1.jar
rename to lib/solr-solrj-5.5.2.jar
index e9b49c09f..cc0a70e54 100644
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diff --git a/pom.xml b/pom.xml
index 40e4e71e4..951ccb98b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
net.yacy
yacycore
- 1.83
+ 1.91
jar
YaCy - a Peer to Peer Web Search Engine
YaCy Search Server
@@ -34,7 +34,7 @@
1.7
1.7
- 5.5.1
+ 5.5.2
9.2.17.v20160517