diff --git a/tools/dependencies-report/src/main/resources/licenseMapping.csv b/tools/dependencies-report/src/main/resources/licenseMapping.csv
index a7d3daee3..60ce8571d 100644
--- a/tools/dependencies-report/src/main/resources/licenseMapping.csv
+++ b/tools/dependencies-report/src/main/resources/licenseMapping.csv
@@ -133,6 +133,7 @@ dependency,dependencyUrl,licenseOverride,copyright,sourceURL
 "rake:",https://github.com/ruby/rake,MIT
 "Red Hat Universal Base Image minimal:",https://catalog.redhat.com/software/containers/ubi8/ubi-minimal/5c359a62bed8bd75a2c3fba8,Custom;https://www.redhat.com/licenses/EULA_Red_Hat_Universal_Base_Image_English_20190422.pdf,,https://oss-dependencies.elastic.co/red-hat-universal-base-image-minimal/8/ubi-minimal-8-source.tar.gz
 "redis:",https://github.com/redis/redis-rb,MIT
+"rexml:",https://github.com/ruby/rexml,MIT
 "ruby-progressbar:",https://github.com/jfelchner/ruby-progressbar,MIT
 "ruby2_keywords",https://github.com/ruby/ruby2_keywords,BSD-2-Clause
 "rubyzip:",https://github.com/rubyzip/rubyzip,BSD-2-Clause-FreeBSD
diff --git a/tools/dependencies-report/src/main/resources/notices/rexml-NOTICE.txt b/tools/dependencies-report/src/main/resources/notices/rexml-NOTICE.txt
new file mode 100644
index 000000000..b98ff4bb2
--- /dev/null
+++ b/tools/dependencies-report/src/main/resources/notices/rexml-NOTICE.txt
@@ -0,0 +1,24 @@
+source: https://github.com/ruby/rexml/blob/v3.2.5/LICENSE.txt
+
+Copyright (C) 1993-2013 Yukihiro Matsumoto. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
\ No newline at end of file