diff --git a/org.eclipse.wildwebdeveloper.tests/src/org/eclipse/wildwebdeveloper/tests/TestESLint.java b/org.eclipse.wildwebdeveloper.tests/src/org/eclipse/wildwebdeveloper/tests/TestESLint.java
index b2c1ffbf78..7696696bc2 100644
--- a/org.eclipse.wildwebdeveloper.tests/src/org/eclipse/wildwebdeveloper/tests/TestESLint.java
+++ b/org.eclipse.wildwebdeveloper.tests/src/org/eclipse/wildwebdeveloper/tests/TestESLint.java
@@ -42,114 +42,114 @@
 
 class TestESLint {
 
-    private static IProject project;
-
-    @BeforeAll
-    public static void setUpProject() throws Exception {
-        AllCleanRule.closeIntro();
-        AllCleanRule.enableLogging();
-
-        String projectName = TestESLint.class.getName() + System.nanoTime();
-        IProjectDescription desc = ResourcesPlugin.getWorkspace().newProjectDescription(projectName);
-        IPath projectLocation = ResourcesPlugin.getWorkspace().getRoot().getLocation().append(projectName);
-        desc.setLocation(projectLocation);
-        File projectDirectory = projectLocation.toFile();
-        projectDirectory.mkdir();
-        try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/.eslintrc")) {
-            Files.copy(eslintRc, new File(projectDirectory, ".eslintrc").toPath());
-        }
-        try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/tsconfig.json")) {
-            Files.copy(eslintRc, new File(projectDirectory, "tsconfig.json").toPath());
-        }
-        try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/package.json")) {
-            Files.copy(eslintRc, new File(projectDirectory, "package.json").toPath());
-        }
-        try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
-            Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.js").toPath());
-        }
-        try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
-            Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.jsx").toPath());
-        }
-        try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
-            Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.ts").toPath());
-        }
-        try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
-            Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.tsx").toPath());
-        }
-        ProcessBuilder builder = NodeJSManager.prepareNPMProcessBuilder("install", "--no-bin-links", "--ignore-scripts")
-                .directory(projectDirectory);
-        Process dependencyInstaller = builder.start();
-        System.out.println(builder.command().toString());
-        String result = dependencyInstaller.errorReader().lines().collect(Collectors.joining("\n"));
-        System.out.println("Error Stream: >>>\n" + result + "\n<<<");
-
-        result = dependencyInstaller.inputReader().lines().collect(Collectors.joining("\n"));
-        System.out.println("Output Stream: >>>\n" + result + "\n<<<");
-
-        assertEquals(0, dependencyInstaller.waitFor(), "npm install didn't complete properly");
-        project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
-        project.create(desc, null);
-        project.open(null);
-    }
-
-    @BeforeEach
-    public void setUpTestCase() {
-        AllCleanRule.enableLogging();
-    }
-
-    @AfterAll
-    public static void cleanUp() throws Exception {
-        new AllCleanRule().afterEach(null);
-    }
-
-    @Test
-    void testESLintDiagnosticsInJS() throws Exception {
-        IFile file = project.getFile("ESLintProj.js");
-        IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
-        assertESLintIndentMarkerExists(file);
-    }
-
-    @Test
-    void testESLintDiagnosticsInTS() throws Exception {
-        IFile file = project.getFile("ESLintProj.ts");
-        IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
-        assertESLintIndentMarkerExists(file);
-    }
-
-    @Test
-    void testESLintDiagnosticsInJSX() throws Exception {
-        IFile file = project.getFile("ESLintProj.jsx");
-        IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
-        assertESLintIndentMarkerExists(file);
-    }
-
-    @Test
-    void testESLintDiagnosticsInTSX() throws Exception {
-        IFile file = project.getFile("ESLintProj.tsx");
-        IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
-        assertESLintIndentMarkerExists(file);
-    }
-
-    private void assertESLintIndentMarkerExists(IFile file) throws PartInitException {
-        IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
-        assertTrue(DisplayHelper.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 10000, () -> {
-            try {
-                return file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO).length != 0;
-            } catch (CoreException e) {
-                e.printStackTrace();
-                return false;
-            }
-        }), "Diagnostic not published");
-
-        assertTrue(DisplayHelper.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 5000, () -> {
-            try {
-                return Arrays.asList(file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO))
-                        .stream().filter(Objects::nonNull)
-                        .anyMatch(m -> m.getAttribute(IMarker.MESSAGE, null).toLowerCase().contains("indentation"));
-            } catch (CoreException e) {
-                e.printStackTrace();
-                return false;
-            }
-        }), "Diagnostic content is incorrect");
-    }
+	private static IProject project;
+
+	@BeforeAll
+	public static void setUpProject() throws Exception {
+		AllCleanRule.closeIntro();
+		AllCleanRule.enableLogging();
+
+		String projectName = TestESLint.class.getName() + System.nanoTime();
+		IProjectDescription desc = ResourcesPlugin.getWorkspace().newProjectDescription(projectName);
+		IPath projectLocation = ResourcesPlugin.getWorkspace().getRoot().getLocation().append(projectName);
+		desc.setLocation(projectLocation);
+		File projectDirectory = projectLocation.toFile();
+		projectDirectory.mkdir();
+		try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/eslint.config.mjs")) {
+			Files.copy(eslintRc, new File(projectDirectory, "eslint.config.mjs").toPath());
+		}
+		try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/tsconfig.json")) {
+			Files.copy(eslintRc, new File(projectDirectory, "tsconfig.json").toPath());
+		}
+		try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/package.json")) {
+			Files.copy(eslintRc, new File(projectDirectory, "package.json").toPath());
+		}
+		try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
+			Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.js").toPath());
+		}
+		try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
+			Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.jsx").toPath());
+		}
+		try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
+			Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.ts").toPath());
+		}
+		try (InputStream eslintRc = TestESLint.class.getResourceAsStream("/testProjects/eslint/ESLintProj.js")) {
+			Files.copy(eslintRc, new File(projectDirectory, "ESLintProj.tsx").toPath());
+		}
+		ProcessBuilder builder = NodeJSManager.prepareNPMProcessBuilder("install", "--no-bin-links", "--ignore-scripts")
+				.directory(projectDirectory);
+		Process dependencyInstaller = builder.start();
+		System.out.println(builder.command().toString());
+		String result = dependencyInstaller.errorReader().lines().collect(Collectors.joining("\n"));
+		System.out.println("Error Stream: >>>\n" + result + "\n<<<");
+
+		result = dependencyInstaller.inputReader().lines().collect(Collectors.joining("\n"));
+		System.out.println("Output Stream: >>>\n" + result + "\n<<<");
+
+		assertEquals(0, dependencyInstaller.waitFor(), "npm install didn't complete properly");
+		project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
+		project.create(desc, null);
+		project.open(null);
+	}
+
+	@BeforeEach
+	public void setUpTestCase() {
+		AllCleanRule.enableLogging();
+	}
+
+	@AfterAll
+	public static void cleanUp() throws Exception {
+		new AllCleanRule().afterEach(null);
+	}
+
+	@Test
+	void testESLintDiagnosticsInJS() throws Exception {
+		IFile file = project.getFile("ESLintProj.js");
+		IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
+		assertESLintIndentMarkerExists(file);
+	}
+
+	@Test
+	void testESLintDiagnosticsInTS() throws Exception {
+		IFile file = project.getFile("ESLintProj.ts");
+		IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
+		assertESLintIndentMarkerExists(file);
+	}
+
+	@Test
+	void testESLintDiagnosticsInJSX() throws Exception {
+		IFile file = project.getFile("ESLintProj.jsx");
+		IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
+		assertESLintIndentMarkerExists(file);
+	}
+
+	@Test
+	void testESLintDiagnosticsInTSX() throws Exception {
+		IFile file = project.getFile("ESLintProj.tsx");
+		IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
+		assertESLintIndentMarkerExists(file);
+	}
+
+	private void assertESLintIndentMarkerExists(IFile file) throws PartInitException {
+		IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
+		assertTrue(DisplayHelper.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 10000, () -> {
+			try {
+				return file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO).length != 0;
+			} catch (CoreException e) {
+				e.printStackTrace();
+				return false;
+			}
+		}), "Diagnostic not published");
+
+		assertTrue(DisplayHelper.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 5000, () -> {
+			try {
+				return Arrays.asList(file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO))
+						.stream().filter(Objects::nonNull)
+						.anyMatch(m -> m.getAttribute(IMarker.MESSAGE, null).toLowerCase().contains("indentation"));
+			} catch (CoreException e) {
+				e.printStackTrace();
+				return false;
+			}
+		}), "Diagnostic content is incorrect");
+	}
 }
diff --git a/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/.eslintrc b/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/.eslintrc
deleted file mode 100644
index 3ae8457d55..0000000000
--- a/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "parser": "@typescript-eslint/parser",
-  "extends": [
-    "eslint:recommended",
-    "plugin:@typescript-eslint/eslint-recommended",
-    "plugin:@typescript-eslint/recommended"
-  ],
-  "plugins": ["@typescript-eslint"],
-  "rules": {
-    "indent": "error"
-  }
-}
\ No newline at end of file
diff --git a/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/eslint.config.mjs b/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/eslint.config.mjs
new file mode 100644
index 0000000000..b1ece9b138
--- /dev/null
+++ b/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/eslint.config.mjs
@@ -0,0 +1,15 @@
+import tsParser from '@typescript-eslint/parser';
+
+export default [
+	{
+		rules: {
+			indent: 'error',
+		},
+	},
+	{
+		files: ['**/*.ts', '**/*.tsx', '**/*.js', '**/*.jsx'],
+		languageOptions: {
+			parser: tsParser,
+		},
+	},
+];
\ No newline at end of file
diff --git a/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/package.json b/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/package.json
index 6c9e0ea96a..e641328e92 100644
--- a/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/package.json
+++ b/org.eclipse.wildwebdeveloper.tests/testProjects/eslint/package.json
@@ -11,7 +11,7 @@
 	"devDependencies": {
 		"@typescript-eslint/eslint-plugin": "^8.56.0",
 		"@typescript-eslint/parser": "^8.56.0",
-		"eslint": "^8.57.1",
+		"eslint": "^10.1.0",
 		"typescript": "5.9.3"
 	},
   "packageManager": "npm@11"