diff --git a/buildScripts/ivy.xml b/buildScripts/ivy.xml
index 190b7985..037f11e2 100644
--- a/buildScripts/ivy.xml
+++ b/buildScripts/ivy.xml
@@ -32,6 +32,7 @@
 		<conf name="eclipse-202006" />
 		<conf name="eclipse-202403" />
 		<conf name="eclipse-202503" />
+		<conf name="eclipse-202509" />
 		
 		<conf name="mapstruct" />
 	</configurations>
@@ -135,6 +136,20 @@
 		<dependency org="org.osgi" name="org.osgi.service.prefs" rev="1.1.2" conf="eclipse-202503->default" transitive="false" />
 		<dependency org="org.eclipse.platform" name="org.eclipse.text" rev="3.14.300" conf="eclipse-202503->default" transitive="false" />
 		
+		<dependency org="org.eclipse.platform" name="org.eclipse.core.runtime" rev="3.34.0" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.jdt" name="org.eclipse.jdt.core" rev="3.43.0" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.jdt" name="org.eclipse.jdt.ui" rev="3.35.100" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.jdt" name="ecj" rev="3.43.0" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.equinox.common" rev="3.20.200" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.equinox.registry" rev="3.12.500" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.equinox.app" rev="1.7.500" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.core.resources" rev="3.23.0" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.core.contenttype" rev="3.9.700" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.core.jobs" rev="3.15.700" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.osgi" rev="3.23.200" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.osgi" name="org.osgi.service.prefs" rev="1.1.2" conf="eclipse-202509->default" transitive="false" />
+		<dependency org="org.eclipse.platform" name="org.eclipse.text" rev="3.14.400" conf="eclipse-202509->default" transitive="false" />
+		
 		<!-- integration with other libraries -->
 		<dependency org="org.mapstruct" name="mapstruct-processor" rev="1.3.1.Final" conf="mapstruct->default" transitive="false" />
 	</dependencies>
diff --git a/buildScripts/setup.ant.xml b/buildScripts/setup.ant.xml
index 9ddf877a..9353ee2a 100644
--- a/buildScripts/setup.ant.xml
+++ b/buildScripts/setup.ant.xml
@@ -172,6 +172,10 @@ This buildfile is part of projectlombok.org. It sets up the build itself.
 		<fetchdep.eclipse.osgi name="2025-03" version="4.35" />
 	</target>
 	
+	<target name="deps.eclipse.202509" depends="deps.rtstubs18, compile.support">
+		<fetchdep.eclipse.osgi name="2025-09" version="4.37" />
+	</target>
+	
 	<target name="deps.eclipse.integration" depends="deps.rtstubs18, compile.support">
 		<fetchdep.eclipse.osgi name="I-build" version="I-builds" />
 	</target>
diff --git a/buildScripts/tests.ant.xml b/buildScripts/tests.ant.xml
index 214ae2d8..82292dc0 100644
--- a/buildScripts/tests.ant.xml
+++ b/buildScripts/tests.ant.xml
@@ -231,6 +231,11 @@ This buildfile is part of projectlombok.org. It takes care of compiling and runn
 		<test.eclipse-X version="202503" />
 	</target>
 	
+	<target name="test.eclipse-202509" depends="test.compile, test.formatter.compile" description="runs the tests on your default VM, testing the 2025-09 release of eclipse">
+		<fetchdep.eclipse version="202509" />
+		<test.eclipse-X version="202509" />
+	</target>
+	
 	<target name="test.eclipse-I-build" depends="test.compile, test.formatter.compile, deps.rtstubs18, compile.support" description="runs the tests on your default VM, testing the latest integration build of eclipse">
 		<fetchdep.eclipse.updatesite name="I-build" version="I-builds" target="lib/" resolveDependencies="false">
 			<bundles>
@@ -300,6 +305,10 @@ This buildfile is part of projectlombok.org. It takes care of compiling and runn
 		<test.eclipse-X-full version="2025-03" />
 	</target>
 	
+	<target name="test.eclipse-202509-full" depends="test.eclipse.compile, test.formatter.compile, deps.eclipse.202509" description="runs the full eclipse tests on your default VM, testing the 2025-09 release of eclipse">
+		<test.eclipse-X-full version="2025-09" />
+	</target>
+	
 	<target name="test.eclipse-I-build-full" depends="test.eclipse.compile, test.formatter.compile, deps.eclipse.integration" description="runs the full eclipse tests on your default VM, testing the latest integration build of eclipse">
 		<test.eclipse-X-full version="I-build" />
 	</target>