diff --git a/eclipselink.spec b/eclipselink.spec
index ad036e6..f831a99 100644
--- a/eclipselink.spec
+++ b/eclipselink.spec
@@ -10,7 +10,7 @@
 %global sdo org.eclipse.persistence.sdo
 Name:                eclipselink
 Version:             2.6.3
-Release:             1
+Release:             2
 Summary:             Eclipse Persistence Services Project
 License:             EPL and BSD
 Url:                 http://www.eclipse.org/eclipselink/
@@ -89,6 +89,9 @@ for s in org/eclipse/persistence/internal/jpa/transaction/JTATransactionWrapper.
 done
 
 %build
+%if "%{_arch}" == "riscv64"
+export JAVA_TOOL_OPTIONS="-Xmx4096m"
+%endif
 (
  cd org/eclipse/persistence/internal/oxm/record/json/
  antlr3 JSON.g
@@ -120,5 +123,8 @@ ant
 %license license.html
 
 %changelog
+* Wed Apr 10 2024 Dingli Zhang <dingli@iscas.ac.cn> - 2.6.3-2
+- Add -Xmx4096m for riscv64
+
 * Tue Aug 4 2020 chengzihan <chengzihan2@huawei.com> - 2.6.3-1
 - Package init