diff --git a/lib/internal/event_target.js b/lib/internal/event_target.js
index 0236f3a53c5276..660c2456cc02bc 100644
--- a/lib/internal/event_target.js
+++ b/lib/internal/event_target.js
@@ -314,11 +314,6 @@ class Event {
       throw new ERR_INVALID_THIS('Event');
     this.#propagationStopped = true;
   }
-
-  static NONE = 0;
-  static CAPTURING_PHASE = 1;
-  static AT_TARGET = 2;
-  static BUBBLING_PHASE = 3;
 }
 
 ObjectDefineProperties(
@@ -354,6 +349,38 @@ ObjectDefineProperties(
     isTrusted: isTrustedDescriptor,
   });
 
+ObjectDefineProperties(
+  Event, {
+    NONE: {
+      __proto__: null,
+      writable: false,
+      configurable: false,
+      enumerable: true,
+      value: 0,
+    },
+    CAPTURING_PHASE: {
+      __proto__: null,
+      writable: false,
+      configurable: false,
+      enumerable: true,
+      value: 1,
+    },
+    AT_TARGET: {
+      __proto__: null,
+      writable: false,
+      configurable: false,
+      enumerable: true,
+      value: 2,
+    },
+    BUBBLING_PHASE: {
+      __proto__: null,
+      writable: false,
+      configurable: false,
+      enumerable: true,
+      value: 3,
+    },
+  });
+
 function isCustomEvent(value) {
   return isEvent(value) && (value?.[kDetail] !== undefined);
 }
diff --git a/test/parallel/test-event-target.js b/test/parallel/test-event-target.js
new file mode 100644
index 00000000000000..4490faeecfba6a
--- /dev/null
+++ b/test/parallel/test-event-target.js
@@ -0,0 +1,13 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+
+const props = ['NONE', 'CAPTURING_PHASE', 'AT_TARGET', 'BUBBLING_PHASE'];
+
+for (const prop of props) {
+  const desc = Object.getOwnPropertyDescriptor(Event, prop);
+  assert.strictEqual(desc.writable, false);
+  assert.strictEqual(desc.configurable, false);
+  assert.strictEqual(desc.enumerable, true);
+}