diff --git a/xmlunit.spec b/xmlunit.spec
index e771e96..d77e28d 100644
--- a/xmlunit.spec
+++ b/xmlunit.spec
@@ -81,17 +81,17 @@ This package provides %{summary}.
 %prep
 %setup -q -n %{name}-%{version}-src
 
-%patch1 -p1
-%patch2 -p1
+%patch 1 -p1
+%patch 2 -p1
 
-%patch3 -p1
+%patch 3 -p1
 rm -r xmlunit-core/src/main/java/org/xmlunit/builder/javax_jaxb\
  xmlunit-core/src/main/java/org/xmlunit/builder/JaxbBuilderFactory.java\
  xmlunit-core/src/main/java/org/xmlunit/builder/JaxbBuilderFactoryLocator.java\
  xmlunit-core/src/test/java/org/xmlunit/builder/javax_jaxb\
 ;
 
-%patch4 -p1
+%patch 4 -p1
 
 # Port to hamcrest 2.1
 %java_remove_annotations xmlunit-matchers -p org[.]hamcrest[.]Factory
@@ -112,7 +112,7 @@ rm -r xmlunit-core/src/main/java/org/xmlunit/builder/javax_jaxb\
 rm -rf xmlunit-core/src/{main,test}/java/org/xmlunit/builder/{jaxb/,JaxbBuilder.java,JaxbBuilderTest.java}
 
 %build
-%mvn_build -s
+%mvn_build -s -- -Dmaven.compile.source=1.8 -Dmaven.compile.target=1.8
 
 %install
 %mvn_install
@@ -129,6 +129,10 @@ rm -rf xmlunit-core/src/{main,test}/java/org/xmlunit/builder/{jaxb/,JaxbBuilder.
 %files placeholders -f .mfiles-xmlunit-placeholders
 
 %changelog
+* Mon Aug 05 2024 Mikolaj Izdebski <mizdebsk@redhat.com> - 2.9.0-9
+- Switch Java compiler source/target to 1.8
+- Resolves: RHEL-52707
+
 * Thu Aug 01 2024 Troy Dawson <tdawson@redhat.com> - 2.9.0-9
 - Bump release for Aug 2024 java mass rebuild