diff --git a/packages/react-native/React/Inspector/RCTCxxInspectorPackagerConnectionDelegate.h b/packages/react-native/React/Inspector/RCTCxxInspectorPackagerConnectionDelegate.h
index d922ef17216..79929126125 100644
--- a/packages/react-native/React/Inspector/RCTCxxInspectorPackagerConnectionDelegate.h
+++ b/packages/react-native/React/Inspector/RCTCxxInspectorPackagerConnectionDelegate.h
@@ -26,7 +26,7 @@ class RCTCxxInspectorPackagerConnectionDelegate
     virtual ~WebSocket() override;
 
    private:
-    RCTCxxInspectorWebSocketAdapter* _adapter;
+    RCTCxxInspectorWebSocketAdapter* const _adapter;
   };
 
  public:
diff --git a/packages/react-native/ReactAndroid/src/main/jni/react/devsupport/JCxxInspectorPackagerConnectionWebSocketDelegate.h b/packages/react-native/ReactAndroid/src/main/jni/react/devsupport/JCxxInspectorPackagerConnectionWebSocketDelegate.h
index d822e51e64f..b8f6919c652 100644
--- a/packages/react-native/ReactAndroid/src/main/jni/react/devsupport/JCxxInspectorPackagerConnectionWebSocketDelegate.h
+++ b/packages/react-native/ReactAndroid/src/main/jni/react/devsupport/JCxxInspectorPackagerConnectionWebSocketDelegate.h
@@ -43,7 +43,7 @@ class JCxxInspectorPackagerConnectionWebSocketDelegate
 
  private:
   friend HybridBase;
-  std::weak_ptr<IWebSocketDelegate> cxxDelegate_;
+  const std::weak_ptr<IWebSocketDelegate> cxxDelegate_;
 };
 
 } // namespace facebook::react::jsinspector_modern
diff --git a/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnection.h b/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnection.h
index bfb080c3659..8e08e0ca93c 100644
--- a/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnection.h
+++ b/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnection.h
@@ -50,7 +50,7 @@ class InspectorPackagerConnection {
   class Impl;
   class RemoteConnectionImpl;
 
-  std::shared_ptr<Impl> impl_;
+  const std::shared_ptr<Impl> impl_;
 };
 
 /**
diff --git a/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnectionImpl.h b/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnectionImpl.h
index aa60cfba1fe..f9588425a63 100644
--- a/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnectionImpl.h
+++ b/packages/react-native/ReactCommon/jsinspector-modern/InspectorPackagerConnectionImpl.h
@@ -76,9 +76,9 @@ class InspectorPackagerConnection::Impl
   // IPageStatusListener methods
   virtual void onPageRemoved(int pageId) override;
 
-  std::string url_;
-  std::string app_;
-  std::unique_ptr<InspectorPackagerConnectionDelegate> delegate_;
+  const std::string url_;
+  const std::string app_;
+  const std::unique_ptr<InspectorPackagerConnectionDelegate> delegate_;
 
   std::unordered_map<std::string, std::unique_ptr<ILocalConnection>>
       inspectorConnections_;
@@ -102,8 +102,9 @@ class InspectorPackagerConnection::RemoteConnectionImpl
   void onDisconnect() override;
 
  private:
-  std::weak_ptr<InspectorPackagerConnection::Impl> owningPackagerConnection_;
-  std::string pageId_;
+  const std::weak_ptr<InspectorPackagerConnection::Impl>
+      owningPackagerConnection_;
+  const std::string pageId_;
 };
 
 } // namespace facebook::react::jsinspector_modern
diff --git a/packages/react-native/ReactCommon/jsinspector-modern/tests/InspectorMocks.h b/packages/react-native/ReactCommon/jsinspector-modern/tests/InspectorMocks.h
index 0338e32ba7c..1cf80282408 100644
--- a/packages/react-native/ReactCommon/jsinspector-modern/tests/InspectorMocks.h
+++ b/packages/react-native/ReactCommon/jsinspector-modern/tests/InspectorMocks.h
@@ -63,7 +63,7 @@ class MockLocalConnection : public ILocalConnection {
   MOCK_METHOD(void, disconnect, (), (override));
 
  private:
-  std::unique_ptr<IRemoteConnection> remoteConnection_;
+  const std::unique_ptr<IRemoteConnection> remoteConnection_;
 };
 
 class MockInspectorPackagerConnectionDelegate