diff --git a/ivy/ivy.xml b/ivy/ivy.xml
index 322eecb..48b8c3f 100644
--- a/ivy/ivy.xml
+++ b/ivy/ivy.xml
@@ -60,11 +60,13 @@
     <dependency org="org.apache.hadoop" name="hadoop-mapreduce-client-jobclient" rev="2.5.2" conf="*->default"/>
     <!-- End of Hadoop Dependencies -->
 
-    <dependency org="com.ibm.icu" name="icu4j" rev="55.1" />
-    <dependency org="org.apache.tika" name="tika-core" rev="1.20" />
+    <dependency org="com.ibm.icu" name="icu4j" rev="61.1" />
+    <dependency org="org.apache.tika" name="tika-core" rev="1.22" />
     <!-- Tika requires a recent version of commons-compress -->
     <dependency org="org.apache.commons" name="commons-compress" rev="1.18" conf="*->default" />
     <dependency org="com.googlecode.juniversalchardet" name="juniversalchardet" rev="1.0.3"/>
+    <dependency org="xml-apis" name="xml-apis" rev="1.4.01"/><!-- force this version as it is required by Tika -->
+    <dependency org="xerces" name="xercesImpl" rev="2.12.0" />
 
     <dependency org="log4j" name="log4j" rev="1.2.15" conf="*->master" />
 
diff --git a/src/plugin/parse-tika/build-ivy.xml b/src/plugin/parse-tika/build-ivy.xml
index e4984d8..738f041 100644
--- a/src/plugin/parse-tika/build-ivy.xml
+++ b/src/plugin/parse-tika/build-ivy.xml
@@ -17,14 +17,14 @@
 -->
 <project name="parse-tika" default="deps-jar" xmlns:ivy="antlib:org.apache.ivy.ant">
 
-    <property name="ivy.install.version" value="2.1.0" />
+    <property name="ivy.install.version" value="2.4.0" />
     <condition property="ivy.home" value="${env.IVY_HOME}">
       <isset property="env.IVY_HOME" />
     </condition>
     <property name="ivy.home" value="${user.home}/.ant" />
     <property name="ivy.checksums" value="" />
     <property name="ivy.jar.dir" value="${ivy.home}/lib" />
-    <property name="ivy.jar.file" value="${ivy.jar.dir}/ivy.jar" />
+    <property name="ivy.jar.file" value="${ivy.jar.dir}/ivy-${ivy.install.version}.jar" />
 
     <target name="download-ivy" unless="offline">
 
diff --git a/src/plugin/parse-tika/build.xml b/src/plugin/parse-tika/build.xml
index 5bb43fc..bda9e89 100644
--- a/src/plugin/parse-tika/build.xml
+++ b/src/plugin/parse-tika/build.xml
@@ -18,8 +18,8 @@
 <project name="parse-tika" default="jar-core">
 
   <import file="../build-plugin.xml"/>
-
-    <!-- Deploy Unit test dependencies -->
+  
+  <!-- Deploy Unit test dependencies -->
   <target name="deps-test">
     <ant target="deploy" inheritall="false" dir="../nutch-extensionpoints"/>
     <ant target="deploy" inheritall="false" dir="../protocol-file"/>
diff --git a/src/plugin/parse-tika/howto_upgrade_tika.txt b/src/plugin/parse-tika/howto_upgrade_tika.txt
index c02f8ea..aa4147c 100644
--- a/src/plugin/parse-tika/howto_upgrade_tika.txt
+++ b/src/plugin/parse-tika/howto_upgrade_tika.txt
@@ -1,4 +1,4 @@
-1. Upgrade Tika depencency (tika-core) in ivy/ivy.xml
+1. Upgrade Tika dependency (tika-core) in ivy/ivy.xml
 
 2. Upgrade Tika dependency in src/plugin/parse-tika/ivy.xml
 
@@ -15,6 +15,23 @@
       <!-- end of dependencies of Tika (tika-parsers) -->
    with the output of the command above.
 
-4. Remove the locally "installed" dependencies in src/plugin/parse-tika/lib/:
+4. (Optionally) remove overlapping dependencies between parse-tika and Nutch core dependencies:
+   - check for libs present both in
+       build/lib
+     and
+       build/plugins/parse-tika/
+     (eventually with different versions)
+   - duplicated libs can be added to the exclusions of transitive dependencies in
+       build/plugins/parse-tika/ivy.xml
+   - but it should be made sure that the library versions in ivy/ivy.xml correspend to
+     those required by Tika
+
+5. Remove the locally "installed" dependencies in src/plugin/parse-tika/lib/:
 
     $ rm -rf lib/
+
+6. Build Nutch and run all unit tests:
+
+    $ cd ../../../
+    $ ant clean runtime test
+
diff --git a/src/plugin/parse-tika/ivy.xml b/src/plugin/parse-tika/ivy.xml
index 738498a..08d0f12 100644
--- a/src/plugin/parse-tika/ivy.xml
+++ b/src/plugin/parse-tika/ivy.xml
@@ -36,16 +36,27 @@
   </publications>
 
   <dependencies>
-    <dependency org="org.apache.tika" name="tika-parsers" rev="1.20" conf="*->default">
+    <dependency org="org.apache.tika" name="tika-parsers" rev="1.22" conf="*->default">
+      <!-- exclusions of dependencies provided in Nutch core (ivy/ivy.xml) -->
       <exclude org="org.apache.tika" name="tika-core" />
       <exclude org="org.apache.httpcomponents" name="httpclient" />
       <exclude org="org.apache.httpcomponents" name="httpcore" />
+      <exclude org="commons-lang" name="commons-lang" />
+      <exclude org="org.apache.commons" name="commons-lang3" />
+      <exclude org="org.apache.commons" name="commons-codec" />
+      <exclude org="commons-codec" name="commons-codec" /><!-- older versions are published with org=commons-codec -->
+      <exclude org="org.apache.commons" name="commons-collections4" />
+      <exclude org="org.apache.commons" name="commons-compress" />
+      <exclude org="org.apache.cxf" name="cxf-core" />
+      <exclude org="org.apache.cxf" name="cxf-rt-transports-http" />
+      <exclude org="org.apache.cxf" name="cxf-rt-frontend-jaxrs" />
+      <exclude org="com.fasterxml.jackson.core" name="jackson-core" />
+      <exclude org="com.fasterxml.jackson.core" name="jackson-databind" />
+      <exclude org="com.fasterxml.jackson.core" name="jackson-annotations" />
+      <exclude org="com.google.protobuf" name="protobuf-java" />
       <exclude org="org.slf4j" name="slf4j-log4j12" />
       <exclude org="org.slf4j" name="slf4j-api" />
-      <exclude org="commons-lang" name="commons-lang" />
-      <exclude org="commons-codec" name="commons-codec" />
-      <exclude org="org.apache.commons" name="commons-compress" />
-      <exclude org="com.google.protobuf" name="protobuf-java" />
+      <exclude org="xml-apis" name="xml-apis" /><!-- must be provided in core as it is used also by tika-core -->
     </dependency>
   </dependencies>
   
diff --git a/src/plugin/parse-tika/plugin.xml b/src/plugin/parse-tika/plugin.xml
index 6559688..18dad6c 100644
--- a/src/plugin/parse-tika/plugin.xml
+++ b/src/plugin/parse-tika/plugin.xml
@@ -25,84 +25,92 @@
       <library name="parse-tika.jar">
          <export name="*"/>
       </library>
-
-      <library name="activation-1.1.1.jar"/>
-      <library name="apache-mime4j-core-0.8.2.jar"/>
-      <library name="apache-mime4j-dom-0.8.2.jar"/>
-      <library name="asm-7.0.jar"/>
-      <library name="bcmail-jdk15on-1.60.jar"/>
-      <library name="bcpkix-jdk15on-1.60.jar"/>
-      <library name="bcprov-jdk15on-1.60.jar"/>
+      <!-- dependencies of Tika (tika-parsers) -->
+      <library name="animal-sniffer-annotations-1.17.jar"/>
+      <library name="ant-1.10.5.jar"/>
+      <library name="ant-launcher-1.10.5.jar"/>
+      <library name="apache-mime4j-core-0.8.3.jar"/>
+      <library name="apache-mime4j-dom-0.8.3.jar"/>
+      <library name="asm-7.2-beta.jar"/>
+      <library name="bcmail-jdk15on-1.62.jar"/>
+      <library name="bcpkix-jdk15on-1.62.jar"/>
+      <library name="bcprov-jdk15on-1.62.jar"/>
       <library name="boilerpipe-1.1.0.jar"/>
       <library name="bzip2-0.9.1.jar"/>
-      <library name="c3p0-0.9.1.1.jar"/>
+      <library name="c3p0-0.9.5.4.jar"/>
       <library name="cdm-4.5.5.jar"/>
-      <library name="commons-collections4-4.2.jar"/>
-      <library name="commons-csv-1.6.jar"/>
+      <library name="checker-qual-2.8.1.jar"/>
+      <library name="codemodel-2.3.2.jar"/>
+      <library name="commons-csv-1.7.jar"/>
       <library name="commons-exec-1.3.jar"/>
       <library name="commons-io-2.6.jar"/>
-      <library name="commons-lang3-3.8.1.jar"/>
+      <library name="commons-logging-1.2.jar"/>
       <library name="commons-math3-3.6.1.jar"/>
       <library name="curvesapi-1.05.jar"/>
-      <library name="cxf-core-3.2.7.jar"/>
-      <library name="cxf-rt-frontend-jaxrs-3.2.7.jar"/>
-      <library name="cxf-rt-rs-client-3.2.7.jar"/>
-      <library name="cxf-rt-transports-http-3.2.7.jar"/>
+      <library name="cxf-rt-rs-client-3.3.2.jar"/>
+      <library name="cxf-rt-security-3.3.2.jar"/>
       <library name="dec-0.1.2.jar"/>
+      <library name="dtd-parser-1.4.1.jar"/>
       <library name="ehcache-core-2.6.2.jar"/>
-      <library name="FastInfoset-1.2.15.jar"/>
-      <library name="fontbox-2.0.13.jar"/>
+      <library name="error_prone_annotations-2.3.2.jar"/>
+      <library name="failureaccess-1.0.1.jar"/>
+      <library name="FastInfoset-1.2.16.jar"/>
+      <library name="fontbox-2.0.16.jar"/>
       <library name="geoapi-3.0.1.jar"/>
       <library name="grib-4.5.5.jar"/>
       <library name="gson-2.8.5.jar"/>
-      <library name="guava-17.0.jar"/>
-      <library name="httpmime-4.5.6.jar"/>
+      <library name="guava-28.0-jre.jar"/>
+      <library name="httpmime-4.5.9.jar"/>
       <library name="httpservices-4.5.5.jar"/>
       <library name="isoparser-1.1.22.jar"/>
-      <library name="istack-commons-runtime-3.0.7.jar"/>
-      <library name="jackcess-2.1.12.jar"/>
-      <library name="jackcess-encrypt-2.1.4.jar"/>
-      <library name="jackson-annotations-2.9.7.jar"/>
-      <library name="jackson-core-2.9.7.jar"/>
-      <library name="jackson-databind-2.9.7.jar"/>
+      <library name="istack-commons-runtime-3.0.8.jar"/>
+      <library name="istack-commons-tools-3.0.8.jar"/>
+      <library name="j2objc-annotations-1.3.jar"/>
+      <library name="jackcess-3.0.1.jar"/>
+      <library name="jackcess-encrypt-3.0.0.jar"/>
       <library name="jai-imageio-core-1.4.0.jar"/>
+      <library name="jakarta.activation-1.2.1.jar"/>
+      <library name="jakarta.activation-api-1.2.1.jar"/>
+      <library name="jakarta.ws.rs-api-2.1.5.jar"/>
+      <library name="jakarta.xml.bind-api-2.3.2.jar"/>
       <library name="java-libpst-0.8.1.jar"/>
-      <library name="javax.activation-1.2.0.jar"/>
       <library name="javax.annotation-api-1.3.2.jar"/>
-      <library name="javax.ws.rs-api-2.1.1.jar"/>
-      <library name="jaxb-api-2.3.1.jar"/>
-      <library name="jaxb-runtime-2.3.1.jar"/>
+      <library name="jaxb-runtime-2.3.2.jar"/>
+      <library name="jaxb-xjc-2.3.2.jar"/>
       <library name="jbig2-imageio-3.0.2.jar"/>
       <library name="jcip-annotations-1.0.jar"/>
-      <library name="jcl-over-slf4j-1.7.25.jar"/>
+      <library name="jcl-over-slf4j-1.7.26.jar"/>
       <library name="jcommander-1.35.jar"/>
       <library name="jdom2-2.0.6.jar"/>
       <library name="jempbox-1.8.16.jar"/>
       <library name="jhighlight-1.0.3.jar"/>
       <library name="jmatio-1.5.jar"/>
-      <library name="jna-5.1.0.jar"/>
+      <library name="jna-5.3.1.jar"/>
       <library name="joda-time-2.2.jar"/>
       <library name="json-simple-1.1.1.jar"/>
-      <library name="jsoup-1.11.3.jar"/>
-      <library name="jul-to-slf4j-1.7.25.jar"/>
+      <library name="jsoup-1.12.1.jar"/>
+      <library name="jsr305-3.0.2.jar"/>
+      <library name="jul-to-slf4j-1.7.26.jar"/>
       <library name="juniversalchardet-1.0.3.jar"/>
-      <library name="junrar-2.0.0.jar"/>
+      <library name="junrar-4.0.0.jar"/>
+      <library name="listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar"/>
+      <library name="mchange-commons-java-0.2.15.jar"/>
       <library name="metadata-extractor-2.11.0.jar"/>
       <library name="netcdf4-4.5.5.jar"/>
-      <library name="openjson-1.0.10.jar"/>
-      <library name="opennlp-tools-1.9.0.jar"/>
-      <library name="parso-2.0.10.jar"/>
-      <library name="pdfbox-2.0.13.jar"/>
-      <library name="pdfbox-tools-2.0.13.jar"/>
+      <library name="openjson-1.0.11.jar"/>
+      <library name="opennlp-tools-1.9.1.jar"/>
+      <library name="parso-2.0.11.jar"/>
+      <library name="pdfbox-2.0.16.jar"/>
+      <library name="pdfbox-tools-2.0.16.jar"/>
       <library name="poi-4.0.1.jar"/>
       <library name="poi-ooxml-4.0.1.jar"/>
       <library name="poi-ooxml-schemas-4.0.1.jar"/>
       <library name="poi-scratchpad-4.0.1.jar"/>
-      <library name="procyon-compilertools-0.5.32.jar"/>
-      <library name="procyon-core-0.5.32.jar"/>
       <library name="quartz-2.2.0.jar"/>
-      <library name="rome-1.12.0.jar"/>
-      <library name="rome-utils-1.12.0.jar"/>
+      <library name="relaxng-datatype-2.3.2.jar"/>
+      <library name="rngom-2.3.2.jar"/>
+      <library name="rome-1.12.1.jar"/>
+      <library name="rome-utils-1.12.1.jar"/>
       <library name="sentiment-analysis-parser-0.1.jar"/>
       <library name="sis-feature-0.8.jar"/>
       <library name="sis-metadata-0.8.jar"/>
@@ -111,28 +119,28 @@
       <library name="sis-storage-0.8.jar"/>
       <library name="sis-utility-0.8.jar"/>
       <library name="stax2-api-3.1.4.jar"/>
-      <library name="stax-ex-1.8.jar"/>
+      <library name="stax-ex-1.8.1.jar"/>
       <library name="tagsoup-1.2.1.jar"/>
-      <library name="tika-parsers-1.20.jar"/>
-      <library name="txw2-2.3.1.jar"/>
+      <library name="tika-parsers-1.22.jar"/>
+      <library name="txw2-2.3.2.jar"/>
       <library name="udunits-4.5.5.jar"/>
-      <library name="uimafit-core-2.4.0.jar"/>
-      <library name="uimaj-core-3.0.1.jar"/>
       <library name="unit-api-1.0.jar"/>
       <library name="vorbis-java-core-0.8.jar"/>
       <library name="vorbis-java-tika-0.8.jar"/>
       <library name="woodstox-core-5.0.3.jar"/>
+      <library name="xercesImpl-2.12.0.jar"/>
       <library name="xmlbeans-3.0.2.jar"/>
-      <library name="xmlschema-core-2.2.3.jar"/>
+      <library name="xmlschema-core-2.2.4.jar"/>
       <library name="xmpcore-5.1.3.jar"/>
+      <library name="xsom-2.3.2.jar"/>
       <library name="xz-1.8.jar"/>
+      <!-- end of dependencies of Tika (tika-parsers) -->
    </runtime>
 
    <requires>
       <import plugin="nutch-extensionpoints"/>
    </requires>
 
-
    <extension point="org.apache.nutch.parse.Parser"
               id="org.apache.nutch.parse.tika"
               name="TikaParser">
diff --git a/src/test/org/apache/nutch/parse/TestParseUtil.java b/src/test/org/apache/nutch/parse/TestParseUtil.java
index 3fb48b2..6f9404c 100644
--- a/src/test/org/apache/nutch/parse/TestParseUtil.java
+++ b/src/test/org/apache/nutch/parse/TestParseUtil.java
@@ -62,7 +62,7 @@
         page.setContent(ByteBuffer.wrap(content.getBytes("utf-8")));
         page.setStatus((int)CrawlStatus.STATUS_FETCHED);
         parseUtil.process("http://www.example.com/", page);
-        assertTrue("Wrong URL!", page.getOutlinks().size() == 2);
+        assertTrue("Wrong number of URLs", page.getOutlinks().size() == 2);
         assertTrue("Wrong URL", page.getOutlinks().containsKey(new Utf8("http://www.nutch.org/index.html")));
         assertTrue("Wrong URL", page.getOutlinks().containsKey(new Utf8("http://www.apache.org/foundation/")));