diff --git a/package.json b/package.json
index 975a2aa6..8d77feab 100644
--- a/package.json
+++ b/package.json
@@ -93,9 +93,9 @@
     "lint": "biome check ./src && node tools/check-color-literals.mjs && node tools/check-doc-links.mjs",
     "lint:fix": "biome check --write ./src",
     "format": "biome format --write .",
-    "test": "node --loader=./tools/svg-loader.mjs --import=./tools/__mocks__/sprite-init.mjs --experimental-test-snapshots --require ./tools/test-setup.cjs --test --test-concurrency=4 --no-warnings src/**/*.test.{js,mjs}",
-    "test:watch": "node --watch --loader=./tools/svg-loader.mjs --import=./tools/__mocks__/sprite-init.mjs --experimental-test-snapshots --require ./tools/test-setup.cjs --test --test-concurrency=4 --no-warnings src/**/*.test.{js,mjs}",
-    "test:updateSnapshots": "node --loader=./tools/svg-loader.mjs --import=./tools/__mocks__/sprite-init.mjs --experimental-test-snapshots --test-update-snapshots --require ./tools/test-setup.cjs --test --test-concurrency=4 --no-warnings src/**/*.test.{js,mjs}",
+    "test": "node --import=./tools/register-test-hooks.mjs --import=./tools/__mocks__/sprite-init.mjs --experimental-test-snapshots --require ./tools/test-setup.cjs --test --test-reporter=spec --test-concurrency=4 --no-warnings \"src/**/*.test.{js,mjs}\"",
+    "test:watch": "node --watch --import=./tools/register-test-hooks.mjs --import=./tools/__mocks__/sprite-init.mjs --experimental-test-snapshots --require ./tools/test-setup.cjs --test --test-reporter=spec --test-concurrency=4 --no-warnings \"src/**/*.test.{js,mjs}\"",
+    "test:updateSnapshots": "node --import=./tools/register-test-hooks.mjs --import=./tools/__mocks__/sprite-init.mjs --experimental-test-snapshots --test-update-snapshots --require ./tools/test-setup.cjs --test --test-reporter=spec --test-concurrency=4 --no-warnings \"src/**/*.test.{js,mjs}\"",
     "test:ci": "npm test --coverage",
     "test:dist": "node --test --no-warnings tools/dist.test.mjs",
     "test:types": "tsc -p src/types/tsconfig.json",
diff --git a/tools/register-test-hooks.mjs b/tools/register-test-hooks.mjs
new file mode 100644
index 00000000..f48baae2
--- /dev/null
+++ b/tools/register-test-hooks.mjs
@@ -0,0 +1,16 @@
+import module from 'node:module'
+import { load } from './svg-loader.mjs'
+
+/**
+ * Registers the test module hooks. Loaded with `--import` before any test code.
+ *
+ * `module.registerHooks()` (Node >= 22.15 / 23.5) runs the hooks in-thread and synchronously,
+ * so they also apply to `require()` of ES modules. The older `--loader` flag ran async hooks
+ * off-thread and crashed on Node 22 with "ERR_METHOD_NOT_IMPLEMENTED: The resolveSync() method
+ * is not implemented" as soon as a CommonJS module required an ES module.
+ */
+if (typeof module.registerHooks === 'function') {
+  module.registerHooks({ load })
+} else {
+  module.register('./svg-loader.mjs', import.meta.url)
+}
diff --git a/tools/svg-loader.mjs b/tools/svg-loader.mjs
index 5f399718..e3e58bc4 100644
--- a/tools/svg-loader.mjs
+++ b/tools/svg-loader.mjs
@@ -2,37 +2,27 @@ import { readFileSync } from 'node:fs'
 import { fileURLToPath } from 'node:url'
 
 /**
- * Custom loader to handle SVG imports with ?raw suffix in tests
- * This loader is needed because Node.js doesn't natively support importing .svg files
+ * Module load hook that handles SVG imports (with or without the ?raw suffix) in tests,
+ * because Node.js doesn't natively support importing .svg files.
+ *
+ * The hook is synchronous so it can be used with `module.registerHooks()`, which also covers
+ * `require()` of ES modules. It works unchanged as an async `module.register()` hook.
  */
-
-export async function resolve(specifier, context, nextResolve) {
-  // Let the default resolver handle the path resolution first
-  return nextResolve(specifier, context)
-}
-
-export async function load(url, context, nextLoad) {
-  // Check if this is an SVG file (with or without ?raw query parameter)
+export function load(url, context, nextLoad) {
   const urlWithoutQuery = url.split('?')[0]
 
   if (urlWithoutQuery.endsWith('.svg')) {
+    let content = ''
     try {
-      const filePath = fileURLToPath(urlWithoutQuery)
-      const content = readFileSync(filePath, 'utf-8')
-
-      // Return as an ES module with a default export
-      return {
-        format: 'module',
-        source: `export default ${JSON.stringify(content)}`,
-        shortCircuit: true,
-      }
+      content = readFileSync(fileURLToPath(urlWithoutQuery), 'utf-8')
     } catch {
-      // If file doesn't exist or can't be read, return empty string
-      return {
-        format: 'module',
-        source: 'export default ""',
-        shortCircuit: true,
-      }
+      // If the file doesn't exist or can't be read, export an empty string
+    }
+
+    return {
+      format: 'module',
+      source: `export default ${JSON.stringify(content)}`,
+      shortCircuit: true,
     }
   }