diff --git a/src/SharpCompress/IO/PooledMemoryStream.cs b/src/SharpCompress/IO/PooledMemoryStream.cs
index 8111945e..3116386f 100644
--- a/src/SharpCompress/IO/PooledMemoryStream.cs
+++ b/src/SharpCompress/IO/PooledMemoryStream.cs
@@ -112,7 +112,10 @@ public sealed class PooledMemoryStream : MemoryStream
         }
     }
 
-    public override void Flush() { }
+    public override void Flush()
+    {
+        EnsureNotClosed();
+    }
 
     public override Task FlushAsync(CancellationToken cancellationToken)
     {
@@ -121,6 +124,7 @@ public sealed class PooledMemoryStream : MemoryStream
             return Task.FromCanceled(cancellationToken);
         }
 
+        EnsureNotClosed();
         return Task.CompletedTask;
     }
 
diff --git a/src/SharpCompress/packages.lock.json b/src/SharpCompress/packages.lock.json
index e82196f8..03c03a9a 100644
--- a/src/SharpCompress/packages.lock.json
+++ b/src/SharpCompress/packages.lock.json
@@ -268,9 +268,9 @@
     "net10.0": {
       "Microsoft.NET.ILLink.Tasks": {
         "type": "Direct",
-        "requested": "[10.0.6, )",
-        "resolved": "10.0.6",
-        "contentHash": "QKuvS0LWX4fjFqeDkyM7Kqt8P3wYTiPD4nwU+9y59n0sCiG714fxDgbbN82vDnzq89AF/PiHl92TP2C4aFDUQA=="
+        "requested": "[10.0.5, )",
+        "resolved": "10.0.5",
+        "contentHash": "A+5ZuQ0f449tM+MQrhf6R9ZX7lYpjk/ODEwLYKrnF6111rtARx8fVsm4YznUnQiKnnXfaXNBqgxmil6RW3L3SA=="
       },
       "Microsoft.NETFramework.ReferenceAssemblies": {
         "type": "Direct",
@@ -400,9 +400,9 @@
     "net8.0": {
       "Microsoft.NET.ILLink.Tasks": {
         "type": "Direct",
-        "requested": "[8.0.26, )",
-        "resolved": "8.0.26",
-        "contentHash": "o7/yVssM2r9Wyln2s9edBd5ANZXqdSdBI+g7JqXkyJmXrhs2WsJp25K5yPnYrTgdKBCjKB8bg+O2oew4sgzFaA=="
+        "requested": "[8.0.25, )",
+        "resolved": "8.0.25",
+        "contentHash": "sqX4nmBft05ivqKvUT4nxaN8rT3apCLt9SWFkfRrQPwra1zPwFknQAw1lleuMCKOCLvVmOWwrC2iPSm9RiXZUg=="
       },
       "Microsoft.NETFramework.ReferenceAssemblies": {
         "type": "Direct",