diff --git a/AjaxPro/AjaxPro.csproj b/AjaxPro/AjaxPro.csproj
index 7bff051..9ee3eb9 100644
--- a/AjaxPro/AjaxPro.csproj
+++ b/AjaxPro/AjaxPro.csproj
@@ -259,7 +259,7 @@
     <Compile Include="Utilities\Constant.cs">
       <SubType>Code</SubType>
     </Compile>
-    <Compile Include="Utilities\MD5Helper.cs">
+    <Compile Include="Utilities\HashHelper.cs">
       <SubType>Code</SubType>
     </Compile>
     <Compile Include="Utilities\Utility.cs">
diff --git a/AjaxPro/Handler/ConverterJavaScriptHandler.cs b/AjaxPro/Handler/ConverterJavaScriptHandler.cs
index 33b19e5..e3e69c7 100644
--- a/AjaxPro/Handler/ConverterJavaScriptHandler.cs
+++ b/AjaxPro/Handler/ConverterJavaScriptHandler.cs
@@ -93,7 +93,7 @@ public void ProcessRequest(HttpContext context)
 				}
 			}
 
-			etag = MD5Helper.GetHash(System.Text.Encoding.Default.GetBytes("converter"));
+			etag = Hash5Helper.GetHash(System.Text.Encoding.Default.GetBytes("converter"));
 
 			DateTime now = DateTime.Now;
 			DateTime lastMod = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second); //.ToUniversalTime();
diff --git a/AjaxPro/Handler/EmbeddedJavaScriptHandler.cs b/AjaxPro/Handler/EmbeddedJavaScriptHandler.cs
index a729b23..1126b76 100644
--- a/AjaxPro/Handler/EmbeddedJavaScriptHandler.cs
+++ b/AjaxPro/Handler/EmbeddedJavaScriptHandler.cs
@@ -104,7 +104,7 @@ public void ProcessRequest(HttpContext context)
 				}
 			}
 
-			etag = MD5Helper.GetHash(System.Text.Encoding.Default.GetBytes(fileName));
+			etag = Hash5Helper.GetHash(System.Text.Encoding.Default.GetBytes(fileName));
 
 			DateTime now = DateTime.Now;
 			DateTime lastMod = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second); //.ToUniversalTime();
diff --git a/AjaxPro/Handler/TypeJavaScriptHandler.cs b/AjaxPro/Handler/TypeJavaScriptHandler.cs
index 08c94d2..fb3cf21 100644
--- a/AjaxPro/Handler/TypeJavaScriptHandler.cs
+++ b/AjaxPro/Handler/TypeJavaScriptHandler.cs
@@ -146,7 +146,7 @@ public void ProcessRequest(HttpContext context)
 			}
 
 			etag = type.AssemblyQualifiedName;
-			etag = MD5Helper.GetHash(System.Text.Encoding.Default.GetBytes(etag));
+			etag = Hash5Helper.GetHash(System.Text.Encoding.Default.GetBytes(etag));
 
 			DateTime now = DateTime.Now;
 			DateTime lastMod = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second); // .ToUniversalTime();
diff --git a/AjaxPro/Utilities/MD5Helper.cs b/AjaxPro/Utilities/HashHelper.cs
similarity index 91%
rename from AjaxPro/Utilities/MD5Helper.cs
rename to AjaxPro/Utilities/HashHelper.cs
index 8be811a..8e12dea 100644
--- a/AjaxPro/Utilities/MD5Helper.cs
+++ b/AjaxPro/Utilities/HashHelper.cs
@@ -1,67 +1,67 @@
-/*
- * MD5Helper.cs
- * 
- * Copyright © 2007 Michael Schwarz (http://www.ajaxpro.info).
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person 
- * obtaining a copy of this software and associated documentation 
- * files (the "Software"), to deal in the Software without 
- * restriction, including without limitation the rights to use, 
- * copy, modify, merge, publish, distribute, sublicense, and/or 
- * sell copies of the Software, and to permit persons to whom the 
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be 
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-/* 
- * MS	07-04-12	changed MD5 compute hash (using BitConverter, now)
- * 
- * 
- */
-using System;
-using System.Text;
-using System.Security.Cryptography;
-
-namespace AjaxPro
-{
-	/// <summary>
-	/// Provides methods to get a MD5 hash from a string or byte array.
-	/// </summary>
-	public class MD5Helper
-	{
-        /// <summary>
-        /// Gets the hash.
-        /// </summary>
-        /// <param name="data">The data.</param>
-        /// <returns></returns>
-		public static string GetHash(string data)
-		{
-			byte[] b = System.Text.Encoding.Default.GetBytes(data);
-
-			return GetHash(b);
-		}
-
-        /// <summary>
-        /// Gets the hash.
-        /// </summary>
-        /// <param name="data">The data.</param>
-        /// <returns></returns>
-		public static string GetHash(byte[] data)
-		{
-			// This is one implementation of the abstract class MD5.
-			MD5 md5 = new MD5CryptoServiceProvider();
-
-			return BitConverter.ToString(md5.ComputeHash(data)).Replace("-", String.Empty); 
-		}
-	}
-}
+/*
+ * MD5Helper.cs
+ * 
+ * Copyright © 2007 Michael Schwarz (http://www.ajaxpro.info).
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person 
+ * obtaining a copy of this software and associated documentation 
+ * files (the "Software"), to deal in the Software without 
+ * restriction, including without limitation the rights to use, 
+ * copy, modify, merge, publish, distribute, sublicense, and/or 
+ * sell copies of the Software, and to permit persons to whom the 
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be 
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+/* 
+ * MS	07-04-12	changed MD5 compute hash (using BitConverter, now)
+ * MS	21-12-22	changed hash algorithm from MD5 to SHA256
+ * 
+ */
+using System;
+using System.Text;
+using System.Security.Cryptography;
+
+namespace AjaxPro
+{
+	/// <summary>
+	/// Provides methods to get a MD5 hash from a string or byte array.
+	/// </summary>
+	public class Hash5Helper
+	{
+        /// <summary>
+        /// Gets the hash.
+        /// </summary>
+        /// <param name="data">The data.</param>
+        /// <returns></returns>
+		public static string GetHash(string data)
+		{
+			byte[] b = System.Text.Encoding.Default.GetBytes(data);
+
+			return GetHash(b);
+		}
+
+        /// <summary>
+        /// Gets the hash.
+        /// </summary>
+        /// <param name="data">The data.</param>
+        /// <returns></returns>
+		public static string GetHash(byte[] data)
+		{
+			// This is one implementation of the abstract class MD5.
+			MD5 md5 = new MD5CryptoServiceProvider();
+
+			return BitConverter.ToString(new SHA256Managed().ComputeHash(data)).Replace("-", String.Empty);
+		}
+	}
+}