diff --git a/include/js_protocol.pdl b/include/js_protocol.pdl
index 7960a56f54..d4102f5c6c 100644
--- a/include/js_protocol.pdl
+++ b/include/js_protocol.pdl
@@ -1741,7 +1741,9 @@ domain Runtime
   event executionContextDestroyed
     parameters
       # Id of the destroyed context
-      ExecutionContextId executionContextId
+      deprecated ExecutionContextId executionContextId
+      # Unique Id of the destroyed context
+      experimental string executionContextUniqueId
 
   # Issued when all executionContexts were cleared in browser
   event executionContextsCleared
diff --git a/src/inspector/v8-runtime-agent-impl.cc b/src/inspector/v8-runtime-agent-impl.cc
index 5cb582c0bf..9a1a845487 100644
--- a/src/inspector/v8-runtime-agent-impl.cc
+++ b/src/inspector/v8-runtime-agent-impl.cc
@@ -997,7 +997,8 @@ void V8RuntimeAgentImpl::reportExecutionContextDestroyed(
     InspectedContext* context) {
   if (m_enabled && context->isReported(m_session->sessionId())) {
     context->setReported(m_session->sessionId(), false);
-    m_frontend.executionContextDestroyed(context->contextId());
+    m_frontend.executionContextDestroyed(context->contextId(),
+                                         context->uniqueId().toString());
   }
 }
 
diff --git a/test/inspector/protocol-test.js b/test/inspector/protocol-test.js
index d45ea22baf..a5e9505b82 100644
--- a/test/inspector/protocol-test.js
+++ b/test/inspector/protocol-test.js
@@ -36,7 +36,8 @@ InspectorTest.logMessage = function(originalMessage) {
   const nonStableFields = new Set([
     'objectId', 'scriptId', 'exceptionId', 'timestamp', 'executionContextId',
     'callFrameId', 'breakpointId', 'bindRemoteObjectFunctionId',
-    'formatterObjectId', 'debuggerId', 'bodyGetterId', 'uniqueId'
+    'formatterObjectId', 'debuggerId', 'bodyGetterId', 'uniqueId',
+    'executionContextUniqueId'
   ]);
   const message = JSON.parse(JSON.stringify(originalMessage, replacer.bind(null, Symbol(), nonStableFields)));
   if (message.id)
diff --git a/test/inspector/runtime/context-destroyed-on-context-collected-expected.txt b/test/inspector/runtime/context-destroyed-on-context-collected-expected.txt
index 9a5e1708c1..381cf88c2e 100644
--- a/test/inspector/runtime/context-destroyed-on-context-collected-expected.txt
+++ b/test/inspector/runtime/context-destroyed-on-context-collected-expected.txt
@@ -3,5 +3,6 @@ Tests that contextDesrtoyed nofitication is fired when context is collected.
     method : Runtime.executionContextDestroyed
     params : {
         executionContextId : <executionContextId>
+        executionContextUniqueId : <executionContextUniqueId>
     }
 }
diff --git a/test/inspector/sessions/create-session-expected.txt b/test/inspector/sessions/create-session-expected.txt
index 4459f4d19c..b8f9c5f828 100644
--- a/test/inspector/sessions/create-session-expected.txt
+++ b/test/inspector/sessions/create-session-expected.txt
@@ -70,6 +70,7 @@ From session 2
     method : Runtime.executionContextDestroyed
     params : {
         executionContextId : <executionContextId>
+        executionContextUniqueId : <executionContextUniqueId>
     }
 }
 id matching: true
@@ -78,6 +79,7 @@ From session 1
     method : Runtime.executionContextDestroyed
     params : {
         executionContextId : <executionContextId>
+        executionContextUniqueId : <executionContextUniqueId>
     }
 }
 id matching: true
@@ -86,6 +88,7 @@ From session 3
     method : Runtime.executionContextDestroyed
     params : {
         executionContextId : <executionContextId>
+        executionContextUniqueId : <executionContextUniqueId>
     }
 }
 id matching: true