diff --git a/CHANGES.md b/CHANGES.md
index ec68f3504dd..027e5b794ab 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -31,6 +31,7 @@ Version DPoS
     interface and its implementations.  [[#3762]]
  -  (Libplanet.Explorer) Added `ValidatorPower` field to `VoteType`.
     [[#3737], [#3813]]
+ -  (Libplanet.Explorer) Added `self` field to `NoteStateType`.   [[#3841]]
  -  (Libplanet.Types) Added `ValidatorPower` property to `IVoteMetadata`
     interface and its implementations.  [[#3737], [#3813]]
 
@@ -57,6 +58,7 @@ Version DPoS
 [#3762]: https://github.com/planetarium/libplanet/pull/3762
 [#3764]: https://github.com/planetarium/libplanet/pull/3764
 [#3813]: https://github.com/planetarium/libplanet/pull/3813
+[#3841]: https://github.com/planetarium/libplanet/pull/3841
 
 
 Version Sloth
diff --git a/Libplanet.Explorer/GraphTypes/NodeStateType.cs b/Libplanet.Explorer/GraphTypes/NodeStateType.cs
index 892a933ca12..b1005e83855 100644
--- a/Libplanet.Explorer/GraphTypes/NodeStateType.cs
+++ b/Libplanet.Explorer/GraphTypes/NodeStateType.cs
@@ -11,6 +11,10 @@ public NodeStateType()
         {
             Name = "NodeState";
 
+            Field<NonNullGraphType<BoundPeerType>>(
+                name: "self",
+                resolve: context => context.Source.Swarm.AsPeer
+            );
             Field<NonNullGraphType<BooleanGraphType>>(
                 name: "preloaded",
                 resolve: context => context.Source.Preloaded