diff --git a/dev-java/apache-rat-tasks/Manifest b/dev-java/apache-rat-tasks/Manifest
new file mode 100644
index 0000000000000..bb5c63616d583
--- /dev/null
+++ b/dev-java/apache-rat-tasks/Manifest
@@ -0,0 +1 @@
+DIST apache-rat-0.13-src.tar.bz2 197443 BLAKE2B 5880894bf48e62c97fefebe5672964a78016ba045ca6a13a9b100c1a15cf0a6933edc22c41cb3552f30ebea0486fd6b415f60902f0af7d96663611bfef1a1781 SHA512 564cb2b0f21c98ca5c10566417c0d2732cd177efb68607589e43bcf64eeedee7a570dbea7ef4d6237f6438ecb40d382cb96bd0d6f60c1d1ba1f76778f15ee26a
diff --git a/dev-java/apache-rat-tasks/apache-rat-tasks-0.13.ebuild b/dev-java/apache-rat-tasks/apache-rat-tasks-0.13.ebuild
new file mode 100644
index 0000000000000..deed67e6ee11e
--- /dev/null
+++ b/dev-java/apache-rat-tasks/apache-rat-tasks-0.13.ebuild
@@ -0,0 +1,71 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# Skeleton command:
+# java-ebuilder --generate-ebuild --workdir . --pom apache-rat-tasks/pom.xml --download-uri https://mirrors.nav.ro/apache//creadur/apache-rat-0.13/apache-rat-0.13-src.tar.bz2 --slot 0 --keywords "~amd64 ~x86" --ebuild apache-rat-tasks-0.13.ebuild
+
+EAPI=7
+
+JAVA_PKG_IUSE="doc source test"
+MAVEN_ID="org.apache.rat:apache-rat-tasks:0.13"
+JAVA_TESTING_FRAMEWORKS="junit-4"
+
+inherit java-pkg-2 java-pkg-simple
+
+DESCRIPTION="A plugin for Apache Ant that runs Apache Rat to audit the source"
+HOMEPAGE="https://creadur.apache.org/rat/apache-rat-tasks/"
+SRC_URI="mirror://apache//creadur/apache-rat-${PV}/apache-rat-${PV}-src.tar.bz2"
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+
+# Common dependencies
+# POM: ${PN}/pom.xml
+# org.apache.rat:apache-rat-core:0.13 -> >=dev-java/apache-rat-core-0.13:0
+
+CDEPEND="
+	dev-java/ant-core:0
+	~dev-java/apache-rat-core-${PV}:0
+"
+
+# Compile dependencies
+# POM: ${PN}/pom.xml
+# org.apache.ant:ant:1.9.12 -> !!!groupId-not-found!!!
+# POM: ${PN}/pom.xml
+# test? junit:junit:4.12 -> >=dev-java/junit-4.12:4
+# test? org.apache.ant:ant-antunit:1.4 -> !!!groupId-not-found!!!
+# test? org.apache.ant:ant-testutil:1.9.12 -> !!!groupId-not-found!!!
+
+DEPEND="
+	>=virtual/jdk-1.8:*
+	${CDEPEND}
+	test? (
+		dev-java/ant-testutil:0
+	)"
+
+RDEPEND="
+	>=virtual/jre-1.8:*
+	${CDEPEND}"
+
+S="${WORKDIR}/apache-rat-${PV}/${PN}"
+
+PATCHES=(
+	"${FILESDIR}/${P}-fix-tests.patch"
+)
+
+JAVA_GENTOO_CLASSPATH="ant-core,apache-rat-core"
+JAVA_SRC_DIR="src/main/java"
+JAVA_RESOURCE_DIRS=(
+	"src/main/resources"
+)
+
+JAVA_TEST_GENTOO_CLASSPATH="ant-testutil,junit-4"
+JAVA_TEST_SRC_DIR="src/test/java"
+JAVA_TEST_RESOURCE_DIRS=(
+	"src/test/resources"
+)
+
+src_prepare() {
+	default
+	java-utils-2_src_prepare
+}
diff --git a/dev-java/apache-rat-tasks/files/apache-rat-tasks-0.13-fix-tests.patch b/dev-java/apache-rat-tasks/files/apache-rat-tasks-0.13-fix-tests.patch
new file mode 100644
index 0000000000000..536b68371c3aa
--- /dev/null
+++ b/dev-java/apache-rat-tasks/files/apache-rat-tasks-0.13-fix-tests.patch
@@ -0,0 +1,41 @@
+diff --git a/src/test/resources/antunit/report-junit.xml b/src/test/resources/antunit/report-junit.xml
+index 54b0c9c..d12fee4 100644
+--- a/src/test/resources/antunit/report-junit.xml
++++ b/src/test/resources/antunit/report-junit.xml
+@@ -48,7 +48,7 @@
+   <target name="all"/>
+ 
+   <target name="testWithReportSentToFile">
+-    <property name="report.file" location="${output.dir}/selftest.report"/>
++    <property name="report.file" location="../../../../target/anttasks/selftest.report"/>
+     <rat:report reportFile="${report.file}">
+       <file file="${ant.file}"/>
+     </rat:report>
+@@ -88,22 +88,22 @@
+   <target name="testAddLicenseHeaders">
+     <delete dir="${output.dir}/it-sources"/>
+     <mkdir dir="${output.dir}/it-sources"/>
+-    <copy file="src/test/resources/antunit/index.apt" tofile="${output.dir}/it-sources/index.apt"/>
++    <copy file="index.apt" tofile="../../../../target/anttasks/it-sources/index.apt"/>
+     <rat:report addLicenseHeaders="true">
+-       <file file="${output.dir}/it-sources/index.apt"/>
++       <file file="../../../../target/anttasks/it-sources/index.apt"/>
+     </rat:report>
+   </target>
+ 
+   <target name="testISO88591">
+     <rat:report format="xml">
+-      <file file="src/test/resources/org/example/iso-8859-1.html"/>
++      <file file="../../../../src/test/resources/org/example/iso-8859-1.html"/>
+     </rat:report>
+   </target>
+ 
+   <target name="testISO88591WithReportFile">
+-    <property name="report.file" location="${output.dir}/selftest.report"/>
++    <property name="report.file" location="../../../../target/anttasks/selftest.report"/>
+     <rat:report reportFile="${report.file}" format="xml">
+-      <file file="src/test/resources/org/example/iso-8859-1.html"/>
++      <file file="../../../../src/test/resources/org/example/iso-8859-1.html"/>
+     </rat:report>
+   </target>
+ </project>
diff --git a/dev-java/apache-rat-tasks/metadata.xml b/dev-java/apache-rat-tasks/metadata.xml
new file mode 100644
index 0000000000000..37998bf407465
--- /dev/null
+++ b/dev-java/apache-rat-tasks/metadata.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>java@gentoo.org</email>
+    <name>Java</name>
+  </maintainer>
+</pkgmetadata>