diff --git a/mxparser.spec b/mxparser.spec
index 20b740e29539bd72af90450fdbd81621befb9fd6..df8ad571600ea51533962161603366317ec2779b 100644
--- a/mxparser.spec
+++ b/mxparser.spec
@@ -1,6 +1,6 @@
 Name:           mxparser
 Version:        1.2.2
-Release:        1
+Release:        2
 License:        xpp
 Summary:        MXParser is a fork of xpp3_min 1.1.7 containing only the parser with merged changes of the Plexus fork.
 URL:            https://github.com/x-stream/%{name}
@@ -33,6 +33,11 @@ Help documents for mxparser.
 %pom_xpath_set 'pom:project/pom:properties/pom:version.java.test.target' 1.8
 
 %build
+
+%if "%_arch" == "riscv64"
+export JAVA_TOOL_OPTIONS="-Xmx4g"
+%endif
+
 %mvn_build -- -Dmaven.compiler.source=1.8 -Dmaven.compiler.target=1.8
 
 %install
@@ -45,6 +50,9 @@ Help documents for mxparser.
 %files help -f .mfiles-javadoc
 
 %changelog
+* Mon Apr 28 2025 lizijian <zijian.oerv@isrc.iscas.ac.cn> - 1.2.2-2
+- Enlarge heap size to pass test on RISCV architecture
+
 * Wed Aug 21 2024 yaoxin <yao_xin001@hoperun.com> - 1.2.2-1
 - Update to 1.2.2:
   * XML declaration must produce a START_DOCUMENT event.