diff --git a/jakarta-oro.spec b/jakarta-oro.spec
index 59f31a2..c7907b0 100644
--- a/jakarta-oro.spec
+++ b/jakarta-oro.spec
@@ -32,7 +32,7 @@
 
 Name:           jakarta-oro
 Version:        2.0.8
-Release:        38%{?dist}
+Release:        39%{?dist}
 Summary:        Full regular expressions API
 License:        ASL 1.1
 Source0:        http://archive.apache.org/dist/jakarta/oro/%{name}-%{version}.tar.gz
@@ -72,7 +72,7 @@ for file in `find . -type f -name .cvsignore`; do rm -rf $file; done
 cp %{SOURCE1} .
 
 %build
-ant -Dfinal.name=%{base_name} jar javadocs
+ant -Dfinal.name=%{base_name} jar javadocs -Dant.build.javac.source=1.8 -Dant.build.javac.target=1.8
 
 %install
 %mvn_file : %{name} %{base_name}
@@ -88,6 +88,9 @@ ant -Dfinal.name=%{base_name} jar javadocs
 %license LICENSE
 
 %changelog
+* Wed Dec 04 2024 Mikolaj Izdebski <mizdebsk@redhat.com> - 2.0.8-39
+- Set javac source and target to 1.8
+
 * Sat Nov 23 2024 Marián Konček <mkoncek@redhat.com> - 2.0.8-38
 - Add noarch to ExclusiveArch