diff --git a/src/Nethermind/Nethermind.Trie/TrieNode.cs b/src/Nethermind/Nethermind.Trie/TrieNode.cs
index fdd08dcacb8..281c326fca1 100644
--- a/src/Nethermind/Nethermind.Trie/TrieNode.cs
+++ b/src/Nethermind/Nethermind.Trie/TrieNode.cs
@@ -6,6 +6,7 @@
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
+using System.Threading;
 using Nethermind.Core;
 using Nethermind.Core.Buffers;
 using Nethermind.Core.Crypto;