diff --git a/apache-commons-collections4-build.xml b/apache-commons-collections4-build.xml
new file mode 100644
index 0000000..b5b0cd2
--- /dev/null
+++ b/apache-commons-collections4-build.xml
@@ -0,0 +1,142 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project name="commons-collections4" default="package" basedir=".">
+
+  <!-- ====================================================================== -->
+  <!-- Build environment properties                                           -->
+  <!-- ====================================================================== -->
+
+  <property file="build.properties"/>
+  <property name="project.groupId" value="org.apache.commons"/>
+  <property name="project.artifactId" value="commons-collections4"/>
+  <property name="project.version" value="4.4"/>
+  <property name="bundle.version" value="${project.version}.0"/>
+
+  <property name="compiler.release" value="8"/>
+  <property name="compiler.source" value="1.${compiler.release}"/>
+  <property name="compiler.target" value="${compiler.source}"/>
+
+  <property name="build.finalName" value="${project.artifactId}-${project.version}"/>
+  <property name="build.dir" value="target"/>
+  <property name="build.outputDir" value="${build.dir}/classes"/>
+  <property name="build.srcDir" value="src/main/java"/>
+  <property name="build.resourceDir" value="."/>
+
+  <property name="reporting.outputDirectory" value="${build.dir}/site"/>
+
+  <!-- ====================================================================== -->
+  <!-- Defining classpaths                                                    -->
+  <!-- ====================================================================== -->
+
+  <path id="build.classpath"/>
+
+  <!-- ====================================================================== -->
+  <!-- Cleaning up target                                                     -->
+  <!-- ====================================================================== -->
+
+  <target name="clean" description="Clean the output directory">
+    <delete dir="${build.dir}"/>
+  </target>
+
+  <!-- ====================================================================== -->
+  <!-- Compilation target                                                     -->
+  <!-- ====================================================================== -->
+
+  <target name="compile" description="Compile the code">
+    <mkdir dir="${build.outputDir}"/>
+    <javac destdir="${build.outputDir}" 
+           encoding="iso-8859-1" 
+           nowarn="false" 
+           debug="true" 
+           optimize="false" 
+           deprecation="true" 
+           release="${compiler.release}" 
+           target="${compiler.target}" 
+           verbose="false" 
+           fork="false" 
+           source="${compiler.source}">
+      <src>
+        <pathelement location="${build.srcDir}"/>
+      </src>
+      <classpath refid="build.classpath"/>
+    </javac>
+    <mkdir dir="${build.outputDir}/META-INF"/>
+    <copy todir="${build.outputDir}/META-INF">
+      <fileset dir="${build.resourceDir}">
+        <include name="NOTICE.txt"/>
+        <include name="LICENSE.txt"/>
+        <include name="NOTICE"/>
+        <include name="LICENSE"/>
+      </fileset>
+    </copy>
+  </target>
+
+  <!-- ====================================================================== -->
+  <!-- Javadoc target                                                         -->
+  <!-- ====================================================================== -->
+
+  <target name="javadoc" description="Generates the Javadoc of the application">
+    <javadoc sourcepath="${build.srcDir}" 
+             packagenames="*" 
+             destdir="${reporting.outputDirectory}/apidocs" 
+             access="protected" 
+             verbose="false" 
+             encoding="iso-8859-1" 
+             version="true" 
+             use="true" 
+             author="true" 
+             splitindex="false" 
+             nodeprecated="false" 
+             nodeprecatedlist="false" 
+             notree="false" 
+             noindex="false" 
+             nohelp="false" 
+             nonavbar="false" 
+             serialwarn="false" 
+             source="${compiler.source}" 
+             linksource="true" 
+             breakiterator="false">
+    </javadoc>
+  </target>
+
+  <!-- ====================================================================== -->
+  <!-- Package target                                                         -->
+  <!-- ====================================================================== -->
+
+  <target name="package" depends="compile" description="Package the application">
+    <jar jarfile="${build.dir}/${build.finalName}.jar" 
+         compress="true" 
+         index="false" 
+         basedir="${build.outputDir}" 
+         excludes="**/package.html">
+      <manifest>
+		<attribute name="Automatic-Module-Name" value="org.apache.commons.collections4"/>
+		<attribute name="Bundle-Description" value="The Apache Commons Collections package contains types that extend and augment the Java Collections Framework."/>
+		<attribute name="Bundle-DocURL" value="https://commons.apache.org/proper/commons-collections/"/>
+		<attribute name="Bundle-License" value="https://www.apache.org/licenses/LICENSE-2.0.txt"/>
+		<attribute name="Bundle-ManifestVersion" value="2"/>
+		<attribute name="Bundle-Name" value="Apache Commons Collections"/>
+		<attribute name="Bundle-SymbolicName" value="${project.groupId}.${project.artifactId}"/>
+		<attribute name="Bundle-Vendor" value="The Apache Software Foundation"/>
+		<attribute name="Bundle-Version" value="${bundle.version}"/>
+		<attribute name="Export-Package" value="org.apache.commons.collections4.bag;version=&quot;${project.version}&quot;,org.apache.commons.collections4.bidimap;version=&quot;${project.version}&quot;,org.apache.commons.collections4.collection;version=&quot;${project.version}&quot;,org.apache.commons.collections4.comparators;version=&quot;${project.version}&quot;,org.apache.commons.collections4.functors;version=&quot;${project.version}&quot;,org.apache.commons.collections4.iterators;version=&quot;${project.version}&quot;,org.apache.commons.collections4.keyvalue;version=&quot;${project.version}&quot;,org.apache.commons.collections4.list;version=&quot;${project.version}&quot;,org.apache.commons.collections4.map;version=&quot;${project.version}&quot;,org.apache.commons.collections4.multimap;version=&quot;${project.version}&quot;,org.apache.commons.collections4.multiset;version=&quot;${project.version}&quot;,org.apache.commons.collections4.properties;version=&quot;${project.version}&quot;,org.apache.commons.collections4.queue;version=&quot;${project.version}&quot;,org.apache.commons.collections4.sequence;version=&quot;${project.version}&quot;,org.apache.commons.collections4.set;version=&quot;${project.version}&quot;,org.apache.commons.collections4.splitmap;version=&quot;${project.version}&quot;,org.apache.commons.collections4.trie.analyzer;version=&quot;${project.version}&quot;,org.apache.commons.collections4.trie;version=&quot;${project.version}&quot;,org.apache.commons.collections4;version=&quot;${project.version}&quot;"/>
+		<attribute name="Implementation-Title" value="Apache Commons Collections"/>
+		<attribute name="Implementation-Vendor" value="The Apache Software Foundation"/>
+		<attribute name="Implementation-Version" value="${project.version}"/>
+		<attribute name="Import-Package" value="org.w3c.dom"/>
+		<attribute name="Include-Resource" value="META-INF/LICENSE.txt=LICENSE.txt,META-INF/NOTICE.txt=NOTICE.txt"/>
+		<attribute name="Require-Capability" value="osgi.ee;filter:=&quot;(&amp;(osgi.ee=JavaSE)(version=${compiler.target}))&quot;"/>
+		<attribute name="Specification-Title" value="Apache Commons Collections"/>
+		<attribute name="Specification-Vendor" value="The Apache Software Foundation"/>
+		<attribute name="Specification-Version" value="${project.version}"/>
+      </manifest>
+    </jar>
+  </target>
+
+  <!-- ====================================================================== -->
+  <!-- A dummy target for the package named after the type it creates         -->
+  <!-- ====================================================================== -->
+
+  <target name="jar" depends="package" description="Builds the jar for the application"/>
+
+</project>
diff --git a/apache-commons-collections4.changes b/apache-commons-collections4.changes
index 6085bd3..160feff 100644
--- a/apache-commons-collections4.changes
+++ b/apache-commons-collections4.changes
@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Wed Oct 25 14:24:18 UTC 2023 - Fridrich Strba <fstrba@suse.com>
+
+- Update to upstream version 4.4
+  * Changes
+    + Updates the platform requirement from Java 6 to 8
+    + Add Automatic-Module-Name MANIFEST entry for Java 9
+      compatibility
+    + Added a few new APIs.
+  * Builds with java 21 out of the box
+  * Generated ant build system with maven-ant-plugin in order to
+    build with ant like before.
+- Removed patches:
+  * commons-collections4-4.1-bundle.patch
+  * commons-collections4-4.1-javadoc.patch
+  * commons-collections4-4.1-jdk11.patch
+    + All changes factored into the generated build.xml
+
 -------------------------------------------------------------------
 Fri Mar 18 18:14:43 UTC 2022 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/apache-commons-collections4.spec b/apache-commons-collections4.spec
index 8a88afe..64761ac 100644
--- a/apache-commons-collections4.spec
+++ b/apache-commons-collections4.spec
@@ -1,7 +1,7 @@
 #
 # spec file
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -20,24 +20,19 @@
 %define short_name      commons-%{base_name}
 %bcond_with tests
 Name:           apache-%{short_name}
-Version:        4.1
+Version:        4.4
 Release:        0
 Summary:        Extension of the Java Collections Framework
 License:        Apache-2.0
 Group:          Development/Libraries/Java
-URL:            http://commons.apache.org/proper/commons-collections/
+URL:            https://commons.apache.org/proper/commons-collections/
 Source0:        http://archive.apache.org/dist/commons/collections/source/commons-collections4-%{version}-src.tar.gz
-Patch0:         commons-collections4-4.1-jdk11.patch
-Patch1:         commons-collections4-4.1-bundle.patch
-Patch2:         commons-collections4-4.1-javadoc.patch
+Source1:        %{name}-build.xml
 BuildRequires:  ant
 BuildRequires:  fdupes
-BuildRequires:  javapackages-local
+BuildRequires:  java-devel >= 1.8
+BuildRequires:  javapackages-local >= 6
 BuildArch:      noarch
-%if %{with tests}
-BuildRequires:  ant-junit
-BuildRequires:  easymock
-%endif
 
 %description
 Commons-Collections seek to build upon the JDK classes by providing
@@ -52,22 +47,10 @@ This package provides %{summary}.
 
 %prep
 %setup -q -n commons-collections4-%{version}-src
-%patch0 -p1
-%patch1 -p1
-%patch2 -p1
-
-%pom_remove_parent
+cp %{SOURCE1} build.xml
 
 %build
-%{ant} \
-  -Dcompile.source=8 -Dcompile.target=8 \
-%if %{with tests}
-  -Djunit.jar=$(build-classpath junit) \
-  -Dhamcrest.jar=$(build-classpath hamcrest/core) \
-  -Deasymock.jar=$(build-classpath easymock) \
-  test \
-%endif
-  jar javadoc
+%{ant} jar javadoc
 
 %install
 # jar
@@ -76,11 +59,11 @@ install -pm 0644 target/%{short_name}-%{version}.jar %{buildroot}%{_javadir}/%{n
 ln -sf %{name}.jar %{buildroot}%{_javadir}/%{short_name}.jar
 # pom
 install -dm 0755 %{buildroot}%{_mavenpomdir}
-install -pm 0644 pom.xml %{buildroot}%{_mavenpomdir}/%{name}.pom
+%{mvn_install_pom} pom.xml %{buildroot}%{_mavenpomdir}/%{name}.pom
 %add_maven_depmap %{name}.pom %{name}.jar
 # javadoc
 install -dm 0755 %{buildroot}%{_javadocdir}/%{name}
-cp -pr target/apidocs/* %{buildroot}%{_javadocdir}/%{name}/
+cp -pr target/site/apidocs/* %{buildroot}%{_javadocdir}/%{name}/
 %fdupes -s %{buildroot}%{_javadocdir}
 
 %files -f .mfiles
diff --git a/commons-collections4-4.1-bundle.patch b/commons-collections4-4.1-bundle.patch
deleted file mode 100644
index 4dbaf89..0000000
--- a/commons-collections4-4.1-bundle.patch
+++ /dev/null
@@ -1,19 +0,0 @@
---- commons-collections4-4.1-src/build.xml	2019-02-25 13:03:20.651249023 +0100
-+++ commons-collections4-4.1-src/build.xml	2019-02-25 13:11:55.393720267 +0100
-@@ -146,6 +146,16 @@
-                 <attribute name="Implementation-Vendor-Id" value="org.apache"/>
-                 <attribute name="X-Compile-Source-JDK" value="${compile.source}"/>
-                 <attribute name="X-Compile-Target-JDK" value="${compile.target}"/>
-+                <attribute name="Bundle-Description" value="The Apache Commons Collections package contains types that extend and augment the Java Collections Framework."/>
-+                <attribute name="Bundle-DocURL" value="http://commons.apache.org/proper/commons-collections/"/>
-+                <attribute name="Bundle-License" value="https://www.apache.org/licenses/LICENSE-2.0.txt"/>
-+                <attribute name="Bundle-ManifestVersion" value="2"/>
-+                <attribute name="Bundle-Name" value="Commons Collections"/>
-+                <attribute name="Bundle-SymbolicName" value="org.apache.commons.${component.name}"/>
-+                <attribute name="Bundle-Vendor" value="The Apache Software Foundation"/>
-+                <attribute name="Bundle-Version" value="4.1.0"/>
-+                <attribute name="Export-Package" value="org.apache.commons.collections4;version=&quot;${component.version}&quot;,org.apache.commons.collections4.bag;version=&quot;${component.version}&quot;,org.apache.commons.collections4.bidimap;version=&quot;${component.version}&quot;,org.apache.commons.collections4.collection;version=&quot;${component.version}&quot;,org.apache.commons.collections4.comparators;version=&quot;${component.version}&quot;,org.apache.commons.collections4.functors;version=&quot;${component.version}&quot;,org.apache.commons.collections4.iterators;version=&quot;${component.version}&quot;,org.apache.commons.collections4.keyvalue;version=&quot;${component.version}&quot;,org.apache.commons.collections4.list;version=&quot;${component.version}&quot;,org.apache.commons.collections4.map;version=&quot;${component.version}&quot;,org.apache.commons.collections4.multimap;version=&quot;${component.version}&quot;,org.apache.commons.collections4.multiset;version=&quot;${component.version}&quot;,org.apache.commons.collections4.queue;version=&quot;${component.version}&quot;,org.apache.commons.collections4.sequence;version=&quot;${component.version}&quot;,org.apache.commons.collections4.set;version=&quot;${component.version}&quot;,org.apache.commons.collections4.splitmap;version=&quot;${component.version}&quot;,org.apache.commons.collections4.trie;version=&quot;${component.version}&quot;,org.apache.commons.collections4.trie.analyzer;version=&quot;${component.version}&quot;"/>
-+                <attribute name="Import-Package" value="org.w3c.dom"/>
-             </manifest>
-             <fileset dir="${build.home}/classes">
-                 <include name="**/*.class"/>
diff --git a/commons-collections4-4.1-javadoc.patch b/commons-collections4-4.1-javadoc.patch
deleted file mode 100644
index cbf8c7c..0000000
--- a/commons-collections4-4.1-javadoc.patch
+++ /dev/null
@@ -1,19 +0,0 @@
---- commons-collections4-4.1-src/build.xml	2015-11-25 22:52:41.000000000 +0100
-+++ commons-collections4-4.1-src/build.xml	2019-02-25 13:29:35.562798645 +0100
-@@ -29,7 +29,6 @@
-     <property file="${user.home}/build.properties"/>
-     <property file="${basedir}/build.properties"/>
-     <property file="${basedir}/default.properties"/>
--    <property name="jdk.javadoc" value="http://download.oracle.com/javase/1.5.0/docs/api/"/>
- 
-     <!-- ========== Construct compile classpath =============================== -->
-     <path id="compile.classpath">
-@@ -125,8 +124,6 @@
-                  encoding="${compile.encoding}"
-                  source="${compile.source}">
-             <classpath refid="compile.classpath"/>
--            <link href="${jdk.javadoc}"/>
--            <link href="${collections.javadoc}"/>
-         </javadoc>
-     </target>
- 
diff --git a/commons-collections4-4.1-jdk11.patch b/commons-collections4-4.1-jdk11.patch
deleted file mode 100644
index 74bb6ed..0000000
--- a/commons-collections4-4.1-jdk11.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- commons-collections4-4.1-src/src/test/java/org/apache/commons/collections4/collection/AbstractCollectionTest.java	2015-11-25 22:52:42.000000000 +0100
-+++ commons-collections4-4.1-src/src/test/java/org/apache/commons/collections4/collection/AbstractCollectionTest.java	2018-11-19 09:48:39.052536491 +0100
-@@ -1085,7 +1085,7 @@
-         verify();
- 
-         try {
--            array = getCollection().toArray(null);
-+            array = getCollection().toArray((Object[])null);
-             fail("toArray(null) should raise NPE");
-         } catch (final NullPointerException e) {
-             // expected
diff --git a/commons-collections4-4.1-src.tar.gz b/commons-collections4-4.1-src.tar.gz
deleted file mode 100644
index 7f0bdc5..0000000
--- a/commons-collections4-4.1-src.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:94839a0620a0fb1999aa94d490cd8d6919f79dc206be33b722f856ffde862ecf
-size 704671
diff --git a/commons-collections4-4.4-src.tar.gz b/commons-collections4-4.4-src.tar.gz
new file mode 100644
index 0000000..0f19459
--- /dev/null
+++ b/commons-collections4-4.4-src.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2af935fa71a47c3bcd43ae8fb49526ca2035ae027bfeb758d16fee2d8b010a60
+size 703008