diff --git a/html/lib.html b/html/lib.html
index c04c5ec9521803c53d450b6f56431c0be8b88ffa..432f28e4ab27ea8550dfdde869a8a831c8cff5c4 100644
--- a/html/lib.html
+++ b/html/lib.html
@@ -43,7 +43,7 @@ This is a simplified view: <a href="img/dependencies.png">click here
     [<a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache</a>]</dt>
 <dd>Library for parsing command line arguments. Required for the
   command line use (cli package; included by OWL-API).</dd>
-<dt><a href="http://www.slf4j.org/">SLF4J</a> 1.7.5:
+<dt><a href="http://www.slf4j.org/">SLF4J</a> 1.7.12:
  slf4j-api.jar log4j-over-slf4j.jar jcl-over-slf4j.jar [<a href="http://www.slf4j.org/license.html">MIT license</a>]
 </dt>
 <dd>Java unified logging library!</dd>
@@ -64,7 +64,7 @@ This is a simplified view: <a href="img/dependencies.png">click here
 <dl>
 <dt><a href="http://ontosim.gforge.inria.fr">OntoSim</a> 2.4: ontosim.jar [<a href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">LGPL</a>]</dt>
 <dd>The whole ontosim system requires more libraries, including JWNL. But in our simplest behaviour, these libraries are not needed.</dd>
-<dt><a href="http://lucene.apache.org/">Lucene</a> 4.6.0: lucene-core.jar, lucene-analyzers-common.jar [<a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache</a>]</dt>
+<dt><a href="http://lucene.apache.org/">Lucene</a> 5.3.1: lucene-core.jar, lucene-analyzers-common.jar [<a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache</a>]</dt>
 <dd>This small part of lucene is used for WordNet matching classes.</dd>
 </dl>
 
@@ -134,7 +134,7 @@ and this will compile again.
   commons-fileupload.jar, commons-io.jar
    [<a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache</a>]</dt>
 <dd>Required for uploading alignments and networks to the server.</dd>
-<dt><a href="http://commons.apache.org/proper/commons-lang/">Apache Commons Lang</a> 3.3: commons-lang3.jar
+<dt><a href="http://commons.apache.org/proper/commons-lang/">Apache Commons Lang</a> 3.4: commons-lang3.jar
     [<a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache</a>]</dt>
 <dd>Required for escaping strings for various formats (XML, JSON)</dd>
 </dl>
diff --git a/html/relnotes.html b/html/relnotes.html
index 0b239a7a46b8f9d9fca5c03d34a69a2a177fe99d..8bd71be33efe939558686a99d7f94a059a085f57 100644
--- a/html/relnotes.html
+++ b/html/relnotes.html
@@ -81,6 +81,10 @@ with a warning:
   relations in alignments (impl)</li>
 <li>Added tutorial6 about data interlinking (tutorial)</li>
 <li>Introduced V5 marker for documenting anticipated API evolution (api)</li>
+<li>Upgraded to <span style="color: green">SLF4J 1.7.12</span> (lib)</li>
+<li>Upgraded to <span style="color: green">gson 2.4</span> (lib)</li>
+<li>Upgraded to <span style="color: green">lang3 3.4</span> (lib)</li>
+<li>Upgraded to <span style="color: green">lucene 5.3.1</span> (lib)</li>
 </ul></p>
 
 <h2>Version 4.7 (2014): 06/12/2014 - Al pesto</h2>
diff --git a/lib/gson/gson.jar b/lib/gson/gson.jar
index 9478253e8cb62cd840a21e1f323b68a507c98d66..8b95cc972653ec082dd26ce388d96cd857284013 100644
Binary files a/lib/gson/gson.jar and b/lib/gson/gson.jar differ
diff --git a/lib/gson/gson.pom b/lib/gson/gson.pom
index ac52bf787aa742ff2970e617c90c78dffa9cb3cc..6ef49d6dd6b903adad70dde3bee7f3b0abeef0c1 100644
--- a/lib/gson/gson.pom
+++ b/lib/gson/gson.pom
@@ -1,24 +1,246 @@
-<project>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-
-  <groupId>com.google</groupId>
+  <groupId>com.google.code.gson</groupId>
   <artifactId>gson</artifactId>
-  <version>2.2.3</version>
-  <name>Google gson</name>
-  <inceptionYear>2011</inceptionYear>
-  <description>
-Gson is a Java library that can be used to convert a Java object into its 
-JSON representation. It can also be used to convert a JSON string into an 
-equivalent Java object. Gson can work with arbitrary Java objects including 
-pre-existing objects that you do not have source-code of.
-  </description>
   <packaging>jar</packaging>
+  <version>2.4</version>
+  <inceptionYear>2008</inceptionYear>
+  <name>Gson</name>
+  <parent>
+    <groupId>org.sonatype.oss</groupId>
+    <artifactId>oss-parent</artifactId>
+    <version>9</version>
+    <relativePath />
+  </parent>
+  <url>https://github.com/google/gson</url>
+  <description>Google Gson library</description>
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
   <licenses>
     <license>
-      <name>Apache License Version 2.0, January 2004</name>
+      <name>The Apache Software License, Version 2.0</name>
       <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+      <distribution>repo</distribution>
     </license>
   </licenses>
-  <url>http://code.google.com/p/google-gson</url>
-
+  <scm>
+    <connection>scm:git:https://github.com/google/gson.git</connection>
+    <developerConnection>scm:git:https://github.com/google/gson.git</developerConnection>
+    <url>https://github.com/google/gson</url>
+    <tag>gson-${project.version}</tag>
+  </scm>
+  <issueManagement>
+    <system>Github Issue Tracking</system>
+    <url>https://github.com/google/gson/issues</url>
+  </issueManagement>
+  <distributionManagement>
+    <snapshotRepository>
+      <id>sonatype-nexus-snapshots</id>
+      <name>Sonatype Nexus Snapshots</name>
+      <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+    </snapshotRepository>
+    <repository>
+      <id>sonatype-nexus-staging</id>
+      <name>Nexus Release Repository</name>
+      <url>http://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+    </repository>
+  </distributionManagement>
+  <organization>
+    <name>Google, Inc.</name>
+    <url>http://www.google.com</url>
+  </organization>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.2</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <profiles>
+    <!-- Activate PGP signing only when performing a release -->
+    <profile>
+      <id>release-sign-artifacts</id>
+      <activation>
+        <property>
+          <name>performRelease</name>
+          <value>true</value>
+        </property>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-gpg-plugin</artifactId>
+            <version>1.5</version>
+            <executions>
+              <execution>
+                <id>sign-artifacts</id>
+                <phase>verify</phase>
+                <goals>
+                  <goal>sign</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+    <profile>
+      <id>doclint-java8-disable</id>
+      <activation>
+        <jdk>[1.8,)</jdk>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-javadoc-plugin</artifactId>
+            <configuration>
+              <additionalparam>-Xdoclint:none</additionalparam>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
+  <build>
+    <defaultGoal>package</defaultGoal>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.3</version>
+        <configuration>
+          <source>1.5</source>
+          <target>1.5</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <version>2.6</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>jar</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <archive>
+            <addMavenDescriptor>false</addMavenDescriptor>
+            <manifestEntries>
+              <Bundle-RequiredExecutionEnvironment>J2SE-1.5, JavaSE-1.6, JavaSE-1.7, JavaSE-1.8</Bundle-RequiredExecutionEnvironment>
+              <Export-Package><![CDATA[com.google.gson;version=${project.version}, com.google.gson.annotations;version=${project.version}, com.google.gson.reflect;version=${project.version}, com.google.gson.stream;version=${project.version}, com.google.gson.internal;version=${project.version}, com.google.gson.internal.bind;version=${project.version}]]></Export-Package>
+              <Bundle-Version>${project.version}</Bundle-Version>
+              <Bundle-ContactAddress>https://github.com/google/gson</Bundle-ContactAddress>
+              <Bundle-Vendor>Google Gson Project</Bundle-Vendor>
+              <Bundle-Name>${project.name}</Bundle-Name>
+              <Bundle-Description>${project.description}</Bundle-Description>
+              <Bundle-ClassPath>.</Bundle-ClassPath>
+              <Bundle-ManifestVersion>2</Bundle-ManifestVersion>
+              <Bundle-SymbolicName>com.google.gson</Bundle-SymbolicName>
+            </manifestEntries>
+          </archive>
+        </configuration>
+      </plugin>
+      <plugin>
+       <!-- TODO(inder): add manifest entry for maven group, artifact, and classifier ids -->
+         <groupId>org.apache.maven.plugins</groupId>
+         <artifactId>maven-source-plugin</artifactId>
+         <version>2.4</version>
+         <executions>
+           <execution>
+             <id>attach-sources</id>
+             <phase>verify</phase>
+             <goals>
+               <goal>jar</goal>
+             </goals>
+           </execution>
+         </executions>
+         <configuration>
+           <archive>
+             <manifestEntries>
+               <Eclipse-SourceBundle>com.google.gson;version="${project.version}"</Eclipse-SourceBundle>
+               <Bundle-SymbolicName>com.google.gson.source</Bundle-SymbolicName>
+               <Bundle-ManifestVersion>2</Bundle-ManifestVersion>
+               <Bundle-Version>${project.version}</Bundle-Version>
+             </manifestEntries>
+           </archive>
+         </configuration>
+       </plugin>
+       <plugin>
+         <!-- TODO(inder): add manifest entry for maven group, artifact, and classifier ids -->
+         <groupId>org.apache.maven.plugins</groupId>
+         <artifactId>maven-javadoc-plugin</artifactId>
+         <version>2.10.3</version>
+         <executions>
+           <execution>
+             <id>attach-javadocs</id>
+             <goals>
+               <goal>jar</goal>
+             </goals>
+           </execution>
+         </executions>
+         <configuration>
+           <includePackageNames>com.google.gson</includePackageNames>
+           <excludePackageNames>com.google.gson.internal:com.google.gson.internal.bind</excludePackageNames>
+            <links>
+             <link>http://docs.oracle.com/javase/1.5.0/docs/api/</link>
+           </links>
+           <version>true</version>
+           <show>protected</show>
+         </configuration>
+       </plugin>
+       <plugin>
+         <groupId>org.apache.maven.plugins</groupId>
+         <artifactId>maven-eclipse-plugin</artifactId>
+         <version>2.10</version>
+         <configuration>
+           <downloadSources>true</downloadSources>
+           <downloadJavadocs>true</downloadJavadocs>
+           <workspace>
+             ../eclipse-ws/
+           </workspace>
+           <workspaceCodeStylesURL>
+             file:///${basedir}/../lib/gson-formatting-styles.xml
+           </workspaceCodeStylesURL>
+         </configuration>
+       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-release-plugin</artifactId>
+        <!-- version>2.5</version -->
+        <configuration>
+          <arguments>-DenableCiProfile=true</arguments>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <version>2.5.5</version>
+        <configuration>
+          <descriptor>assembly-descriptor.xml</descriptor>
+          <finalName>google-gson-${project.version}</finalName>
+          <outputDirectory>target/dist</outputDirectory>
+          <workDirectory>target/assembly/work</workDirectory>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+  <developers>
+    <developer>
+      <name>Inderjeet Singh</name>
+    </developer>
+    <developer>
+      <name>Joel Leitch</name>
+      <organization>Google Inc.</organization>
+    </developer>
+    <developer>
+      <name>Jesse Wilson</name>
+      <organization>Square Inc.</organization>
+    </developer>
+  </developers>
 </project>
diff --git a/lib/lang/commons-lang3.jar b/lib/lang/commons-lang3.jar
index 1c93c7f97178f40ccf584ab50d75fc1817f8518d..8ec91d454c31f73638de2994711a8487822247c1 100644
Binary files a/lib/lang/commons-lang3.jar and b/lib/lang/commons-lang3.jar differ
diff --git a/lib/lang/commons-lang3.pom b/lib/lang/commons-lang3.pom
index 835ab1b33e2f0ea822998758c43548f7f33f55ca..409585a98ab118c02b86755c984d9bbf70ec0ba2 100644
--- a/lib/lang/commons-lang3.pom
+++ b/lib/lang/commons-lang3.pom
@@ -22,12 +22,12 @@
   <parent>
     <groupId>org.apache.commons</groupId>
     <artifactId>commons-parent</artifactId>
-    <version>33</version>
+    <version>37</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.commons</groupId>
   <artifactId>commons-lang3</artifactId>
-  <version>3.3</version>
+  <version>3.4</version>
   <name>Apache Commons Lang</name>
 
   <inceptionYear>2001</inceptionYear>
@@ -35,27 +35,19 @@
   Apache Commons Lang, a package of Java utility classes for the
   classes that are in java.lang's hierarchy, or are considered to be so
   standard as to justify existence in java.lang.
-</description>
+  </description>
 
   <url>http://commons.apache.org/proper/commons-lang/</url>
 
-  <packaging>jar</packaging>
-  <licenses>
-    <license>
-      <name>Apache License Version 2.0, January 2004</name>
-      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
-    </license>
-  </licenses>
-
   <issueManagement>
     <system>jira</system>
     <url>http://issues.apache.org/jira/browse/LANG</url>
   </issueManagement>
 
   <scm>
-    <connection>scm:svn:http://svn.apache.org/repos/asf/commons/proper/lang/trunk</connection>
-    <developerConnection>scm:svn:https://svn.apache.org/repos/asf/commons/proper/lang/trunk</developerConnection>
-    <url>http://svn.apache.org/viewvc/commons/proper/lang/trunk</url>
+    <connection>scm:svn:http://svn.apache.org/repos/asf/commons/proper/lang/tags/LANG_3_4</connection>
+    <developerConnection>scm:svn:https://svn.apache.org/repos/asf/commons/proper/lang/tags/LANG_3_4</developerConnection>
+    <url>http://svn.apache.org/viewvc/commons/proper/lang/tags/LANG_3_4</url>
   </scm>
 
   <developers>
@@ -189,7 +181,7 @@
       <roles>
         <role>Java Developer</role>
       </roles>
-    </developer>    
+    </developer>
   </developers>
   <contributors>
     <contributor>
@@ -381,6 +373,9 @@
     <contributor>
       <name>Scott Sanders</name>
     </contributor>
+    <contributor>
+      <name>James Sawle</name>
+    </contributor>
     <contributor>
       <name>Ralph Schaer</name>
     </contributor>
@@ -465,6 +460,24 @@
     <contributor>
       <name>Chris Karcher</name>
     </contributor>
+    <contributor>
+      <name>Michael Osipov</name>
+    </contributor>
+    <contributor>
+      <name>Thiago Andrade</name>
+    </contributor>
+    <contributor>
+      <name>Jonathan Baker</name>
+    </contributor>
+    <contributor>
+      <name>Mikhail Mazursky</name>
+    </contributor>
+    <contributor>
+      <name>Fabian Lange</name>
+    </contributor>
+    <contributor>
+      <name>Michał Kordas</name>
+    </contributor>
   </contributors>
 
   <!-- Lang should depend on very little -->
@@ -472,7 +485,13 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.hamcrest</groupId>
+      <artifactId>hamcrest-all</artifactId>
+      <version>1.3</version>
       <scope>test</scope>
     </dependency>
 
@@ -486,7 +505,7 @@
     <dependency>
       <groupId>org.easymock</groupId>
       <artifactId>easymock</artifactId>
-      <version>3.2</version>
+      <version>3.3.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
@@ -507,15 +526,15 @@
     <!--
        This is also  used to generate download_xxx file name.
        To override this when generating the download page:
-       
+
        mvn commons:download-page -Dcommons.componentid=lang
-       
+
        The above seems to change the download page name but not any other
        properties that depend on the componentid.
     -->
     <commons.componentid>lang3</commons.componentid>
     <!-- Current 3.x release series -->
-    <commons.release.version>3.3</commons.release.version>
+    <commons.release.version>3.4</commons.release.version>
     <commons.release.desc>(Java 6.0+)</commons.release.desc>
     <!-- Previous 2.x release series -->
     <commons.release.2.version>2.6</commons.release.2.version>
@@ -546,8 +565,8 @@
               <runOrder>random</runOrder>
             </configuration>
           </execution>
-          <!-- <execution> <id>security-manager-test</id> <phase>integration-test</phase> <goals> <goal>test</goal> </goals> <configuration> 
-            <includes> <include>**/*Test.java</include> </includes> <argLine>-Djava.security.manager -Djava.security.policy=${basedir}/src/test/resources/java.policy</argLine> 
+          <!-- <execution> <id>security-manager-test</id> <phase>integration-test</phase> <goals> <goal>test</goal> </goals> <configuration>
+            <includes> <include>**/*Test.java</include> </includes> <argLine>-Djava.security.manager -Djava.security.policy=${basedir}/src/test/resources/java.policy</argLine>
             </configuration> </execution> -->
         </executions>
       </plugin>
@@ -589,7 +608,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-checkstyle-plugin</artifactId>
-        <version>2.9.1</version>
+        <version>2.15</version>
         <configuration>
           <configLocation>${basedir}/checkstyle.xml</configLocation>
           <enableRulesSummary>false</enableRulesSummary>
@@ -602,35 +621,29 @@
           </reportSet>
         </reportSets>
       </plugin>
-      <!-- Requires setting 'export MAVEN_OPTS="-Xmx512m" ' -->
+      <!-- Requires setting 'export MAVEN_OPTS="-Xmx512m -XX:MaxPermSize=128m" ' -->
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>findbugs-maven-plugin</artifactId>
-        <version>2.5.2</version>
+        <!-- Use version from parent pom as that is adjusted according to the Java version used to run Maven -->
+        <version>${commons.findbugs.version}</version>
         <configuration>
-          <threshold>Normal</threshold>
-          <effort>Default</effort>
           <excludeFilterFile>${basedir}/findbugs-exclude-filter.xml</excludeFilterFile>
         </configuration>
       </plugin>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>cobertura-maven-plugin</artifactId>
-        <version>2.5.1</version>
-      </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>clirr-maven-plugin</artifactId>
-        <version>2.4</version>
+        <version>2.6.1</version>
         <configuration>
           <minSeverity>info</minSeverity>
         </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.0.1</version>
+        <version>3.4</version>
         <configuration>
-          <targetJdk>${maven.compile.target}</targetJdk>
+          <targetJdk>${maven.compiler.target}</targetJdk>
         </configuration>
         <reportSets>
           <reportSet>
@@ -646,17 +659,50 @@
         <artifactId>taglist-maven-plugin</artifactId>
         <version>2.4</version>
         <configuration>
-          <tags>
-            <tag>TODO</tag>
-            <tag>NOPMD</tag>
-            <tag>NOTE</tag>
-          </tags>
+          <tagListOptions>
+            <tagClasses>
+              <tagClass>
+                <displayName>Needs Work</displayName>
+                <tags>
+                  <tag>
+                    <matchString>TODO</matchString>
+                    <matchType>exact</matchType>
+                  </tag>
+                  <tag>
+                    <matchString>FIXME</matchString>
+                    <matchType>exact</matchType>
+                  </tag>
+                  <tag>
+                    <matchString>XXX</matchString>
+                    <matchType>exact</matchType>
+                  </tag>
+                </tags>
+              </tagClass>
+              <tagClass>
+                <displayName>Noteable Markers</displayName>
+                <tags>
+                  <tag>
+                    <matchString>NOTE</matchString>
+                    <matchType>exact</matchType>
+                  </tag>
+                  <tag>
+                    <matchString>NOPMD</matchString>
+                    <matchType>exact</matchType>
+                  </tag>
+                  <tag>
+                    <matchString>NOSONAR</matchString>
+                    <matchType>exact</matchType>
+                  </tag>
+                </tags>
+              </tagClass>
+            </tagClasses>
+          </tagListOptions>
         </configuration>
       </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>javancss-maven-plugin</artifactId>
-        <version>2.0</version>
+        <version>2.1</version>
       </plugin>
       <plugin>
         <groupId>org.apache.rat</groupId>
@@ -686,7 +732,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-antrun-plugin</artifactId>
-            <version>1.7</version>
+            <version>1.8</version>
             <executions>
               <execution>
                 <id>prepare-checkout</id>
diff --git a/lib/lucene/lucene-analyzers-common.jar b/lib/lucene/lucene-analyzers-common.jar
index 8306ed731dded40f647a6b2d4f6ea547972214d7..a8713840cca091fc21a54f75dad8260ed2d810bd 100644
Binary files a/lib/lucene/lucene-analyzers-common.jar and b/lib/lucene/lucene-analyzers-common.jar differ
diff --git a/lib/lucene/lucene-analyzers-common.pom b/lib/lucene/lucene-analyzers-common.pom
index a71e207af6dd2901be4c716c81387690d3512771..ab2766d0cada758fe32e22e8dc3934e35d60e416 100644
--- a/lib/lucene/lucene-analyzers-common.pom
+++ b/lib/lucene/lucene-analyzers-common.pom
@@ -3,7 +3,7 @@
 
   <groupId>org.apache.lucene</groupId>
   <artifactId>lucene-analyzers-common</artifactId>
-  <version>4.6.0</version>
+  <version>5.3.1</version>
   <name>Lucene analyzers common</name>
   <description>Apache Lucene standard analysers</description>
   <packaging>jar</packaging>
diff --git a/lib/lucene/lucene-core.jar b/lib/lucene/lucene-core.jar
index a71f9d384146f2e4a47dafaae13706f2a308418b..9ffa9173b103500ffe1d28321d08ddb5a8ed6df8 100644
Binary files a/lib/lucene/lucene-core.jar and b/lib/lucene/lucene-core.jar differ
diff --git a/lib/lucene/lucene-core.pom b/lib/lucene/lucene-core.pom
index a410721c0e6490a2fa5653b6db4d05f675bc7922..08a6cc6496a93c7f4a65f0b5783d9c8ab7645c89 100644
--- a/lib/lucene/lucene-core.pom
+++ b/lib/lucene/lucene-core.pom
@@ -3,7 +3,7 @@
 
   <groupId>org.apache.lucene</groupId>
   <artifactId>lucene-core</artifactId>
-  <version>4.6.0</version>
+  <version>5.3.1</version>
   <name>Lucene Core</name>
   <description>Apache Lucene Java Core</description>
   <packaging>jar</packaging>
diff --git a/lib/slf4j/jcl-over-slf4j.jar b/lib/slf4j/jcl-over-slf4j.jar
index a80e4f1c3cc5bf7d374837bb6c403565f68ad578..2030a70376689aa996fffb565cd5cf50bd67ed6a 100644
Binary files a/lib/slf4j/jcl-over-slf4j.jar and b/lib/slf4j/jcl-over-slf4j.jar differ
diff --git a/lib/slf4j/jcl-over-slf4j.pom b/lib/slf4j/jcl-over-slf4j.pom
index 59979200126069a99043281504f8fb29ce23f0fa..c4b12cbedca20ed6098d5a9115ab5e5a3dd80c9c 100644
--- a/lib/slf4j/jcl-over-slf4j.pom
+++ b/lib/slf4j/jcl-over-slf4j.pom
@@ -3,7 +3,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>1.7.5</version>
+    <version>1.7.12</version>
   </parent>
   <groupId>org.slf4j</groupId>
   <artifactId>jcl-over-slf4j</artifactId>
diff --git a/lib/slf4j/log4j-over-slf4j.jar b/lib/slf4j/log4j-over-slf4j.jar
index 7caf77291dda4ce28cc3afb54be8786dd053a269..fd3f48c815e9a8544c6d828eb8df7e9a44ca8e75 100644
Binary files a/lib/slf4j/log4j-over-slf4j.jar and b/lib/slf4j/log4j-over-slf4j.jar differ
diff --git a/lib/slf4j/log4j-over-slf4j.pom b/lib/slf4j/log4j-over-slf4j.pom
index 5399331c25e92a4d9dc89bcf0ea0dbf6c191adca..db38ab3aa19845b4783bf445c36bf312b2cd4f1c 100644
--- a/lib/slf4j/log4j-over-slf4j.pom
+++ b/lib/slf4j/log4j-over-slf4j.pom
@@ -3,7 +3,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>1.7.5</version>
+    <version>1.7.12</version>
   </parent>
   <groupId>org.slf4j</groupId>
   <artifactId>log4j-over-slf4j</artifactId>
diff --git a/lib/slf4j/slf4j-api.jar b/lib/slf4j/slf4j-api.jar
index 8766455d8756ebdac09d36eea2c08db90c18b124..e357ddc7fd27dfec1e6347d39a013348f443ec55 100644
Binary files a/lib/slf4j/slf4j-api.jar and b/lib/slf4j/slf4j-api.jar differ
diff --git a/lib/slf4j/slf4j-api.pom b/lib/slf4j/slf4j-api.pom
index 91928f155e53dacddf094b1e91b3f04f196689e4..19839bef538c2045cabee996cdee838b0adf6bf1 100644
--- a/lib/slf4j/slf4j-api.pom
+++ b/lib/slf4j/slf4j-api.pom
@@ -3,7 +3,7 @@
   <parent>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-parent</artifactId>
-    <version>1.7.5</version>
+    <version>1.7.12</version>
   </parent>
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-api</artifactId>