diff --git a/java/jgraphx/Makefile b/java/jgraphx/Makefile
index b558875e55c7..d1b3e45d6484 100644
--- a/java/jgraphx/Makefile
+++ b/java/jgraphx/Makefile
@@ -1,34 +1,33 @@
 PORTNAME=	jgraphx
 PORTVERSION=	4.2.2
-PORTREVISION=	3
+PORTREVISION=	4
 DISTVERSIONPREFIX=	v
 CATEGORIES=	java graphics
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Java Graph Diagram Component version X
 WWW=		https://github.com/jgraph/jgraphx
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/license.txt
 
 USES=		java:ant,run
 USE_GITHUB=	yes
 GH_ACCOUNT=	jgraph
-JAVA_VERSION=  8 # math/scilab needs java 8 compatible classes
 
 NO_ARCH=	yes
 
 PLIST_FILES=	${JAVAJARDIR}/${PORTNAME}.jar
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	DOCS
 
 do-install:
 	${INSTALL_DATA} ${WRKSRC}/lib/${PORTNAME}.jar \
 		${STAGEDIR}${JAVAJARDIR}/${PORTNAME}.jar
 
 do-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/docs && ${COPYTREE_SHARE} \* ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/java/jgraphx/files/patch-build.xml b/java/jgraphx/files/patch-build.xml
new file mode 100644
index 000000000000..8bb26d7ca3d1
--- /dev/null
+++ b/java/jgraphx/files/patch-build.xml
@@ -0,0 +1,30 @@
+# math/scilab needs java 8 compatible classes
+
+--- build.xml.orig	2026-04-08 19:59:20 UTC
++++ build.xml
+@@ -60,6 +60,8 @@ -->
+ 			debug="${compile.debug}"
+ 			deprecation="${compile.deprecation}"
+ 			optimize="${compile.optimize}"
++			source="8"
++			target="8"
+ 			destdir="${basedir}/classes">
+ 			<classpath>
+ 				<pathelement path="${basedir}/classes"/>
+@@ -75,6 +77,7 @@ -->
+ 				 classpath="${basedir}/classes" 
+ 				 destdir="${basedir}/docs/api"
+ 				 use="true"
++				 source="8"
+ 				 author="false"
+ 				 version="false"
+ 				 windowtitle="${product.name} ${product.version} API Specification"
+@@ -152,6 +155,8 @@ -->
+ 
+     <target name="example" depends="build" description="Compiles the examples">
+ 		<javac srcdir="${example.home}" debug="${compile.debug}" deprecation="${compile.deprecation}"
++			source="8"
++			target="8"
+ 			optimize="${compile.optimize}" destdir="${example.home}">
+ 			<classpath>
+ 				<pathelement path="${basedir}/lib/${all.jar}"/>