diff --git a/apache-commons-digester.spec b/apache-commons-digester.spec
index c164a17..c69582a 100644
--- a/apache-commons-digester.spec
+++ b/apache-commons-digester.spec
@@ -2,7 +2,7 @@
 
 Name:          apache-%{short_name}
 Version:       2.1
-Release:       19%{?dist}
+Release:       20%{?dist}
 Summary:       XML to Java object mapping module
 License:       ASL 2.0
 URL:           http://commons.apache.org/digester/
@@ -36,7 +36,7 @@ This package contains the %{summary}.
 %mvn_file :%{short_name} %{short_name} %{name}
 
 %build
-%mvn_build -- -Dmaven.compiler.source=1.6 -Dmaven.compiler.target=1.6
+%mvn_build -- -Dmaven.compiler.release=8
 
 %install
 %mvn_install
@@ -48,6 +48,9 @@ This package contains the %{summary}.
 %doc LICENSE.txt NOTICE.txt
 
 %changelog
+* Wed Dec 15 2021 Mat Booth <mat.booth@gmail.com> - 2.1-20
+- Fix build on Java 17
+
 * Wed Jul 21 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.1-19
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild