diff --git a/src/Nethermind/Nethermind.Trie/Pruning/TrieStore.cs b/src/Nethermind/Nethermind.Trie/Pruning/TrieStore.cs
index 84105f69092..921d5aafb01 100644
--- a/src/Nethermind/Nethermind.Trie/Pruning/TrieStore.cs
+++ b/src/Nethermind/Nethermind.Trie/Pruning/TrieStore.cs
@@ -284,7 +284,7 @@ public readonly void Dispose()
 
         // Track ALL of the recently re-committed persisted nodes. This is so that we don't accidentally remove
         // recommitted persisted nodes (which will not get re-persisted).
-        private ConcurrentDictionary<HashAndTinyPathAndHash, long> _persistedLastSeens = new();
+        private NonBlocking.ConcurrentDictionary<HashAndTinyPathAndHash, long> _persistedLastSeens = new();
 
         private bool _lastPersistedReachedReorgBoundary;
         private Task _pruningTask = Task.CompletedTask;
@@ -1264,7 +1264,7 @@ void ClearCommitSetQueue()
                     PruneCache();
                     KeyValuePair<DirtyNodesCache.Key, TrieNode>[] nodesCopy = _dirtyNodes.AllNodes.ToArray();
 
-                    ConcurrentDictionary<DirtyNodesCache.Key, bool> wasPersisted = new();
+                    NonBlocking.ConcurrentDictionary<DirtyNodesCache.Key, bool> wasPersisted = new();
                     void PersistNode(TrieNode n, Hash256? address, TreePath path)
                     {
                         if (n.Keccak is null) return;