diff --git a/Pilz.Cryptography/Helpers.cs b/Pilz.Cryptography/Helpers.cs
index 7d9ca18..e14aaed 100644
--- a/Pilz.Cryptography/Helpers.cs
+++ b/Pilz.Cryptography/Helpers.cs
@@ -41,7 +41,11 @@ public static class Helpers
         var dateTime = DateTime.UtcNow.ToString("yyyyMMddHHmmssfffffff");
         var type = typeof(T).ToString();
         var together = sn + dateTime + type + var;
-        var hash = BitConverter.ToString(new HMACMD5().ComputeHash(Encoding.Default.GetBytes(together))).Replace("-", string.Empty);
+#if NET5_0_OR_GREATER
+        var hash = BitConverter.ToString(MD5.HashData(Encoding.Default.GetBytes(together))).Replace("-", string.Empty);
+#else
+        var hash = BitConverter.ToString(MD5.Create().ComputeHash(Encoding.Default.GetBytes(together))).Replace("-", string.Empty);
+#endif
         return hash;
     }
 }
diff --git a/Pilz.Cryptography/Pilz.Cryptography.csproj b/Pilz.Cryptography/Pilz.Cryptography.csproj
index 482feed..2b17e9f 100644
--- a/Pilz.Cryptography/Pilz.Cryptography.csproj
+++ b/Pilz.Cryptography/Pilz.Cryptography.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
   
   <PropertyGroup>
-    <Version>2.1.1</Version>
+    <Version>2.1.2</Version>
   </PropertyGroup>
   
   <ItemGroup>
diff --git a/Pilz.Cryptography/SimpleStringCrypter.cs b/Pilz.Cryptography/SimpleStringCrypter.cs
index b4a4203..9100b24 100644
--- a/Pilz.Cryptography/SimpleStringCrypter.cs
+++ b/Pilz.Cryptography/SimpleStringCrypter.cs
@@ -1,20 +1,6 @@
 using System;
 using System.IO;
 
-/* Nicht gemergte Änderung aus Projekt "Pilz.Cryptography (net6.0)"
-Vor:
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Security.Cryptography;
-using System.IO;
-Nach:
-using System.IO;
-using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
-using System.Threading.Tasks;
-*/
 using System.Security.Cryptography;
 using System.Text;