diff --git a/GhostScriptSharp/GhostscriptSharp.cs b/GhostScriptSharp/GhostscriptSharp.cs
index 581080b..f97d05e 100644
--- a/GhostScriptSharp/GhostscriptSharp.cs
+++ b/GhostScriptSharp/GhostscriptSharp.cs
@@ -209,6 +209,12 @@ private static string[] GetArgs(string inputPath,
 			args.Add(String.Format("-dDEVICEXRESOLUTION={0}", settings.Resolution.Width));
 			args.Add(String.Format("-dDEVICEYRESOLUTION={0}", settings.Resolution.Height));
 
+            // Password
+            if (settings.Password != null)
+            {
+                args.Add(String.Format("-sPDFPassword={0}", settings.Password.Password));
+            }
+
 			// Files
 			args.Add(String.Format("-sOutputFile={0}", outputPath));
 			args.Add(inputPath);
@@ -227,6 +233,7 @@ public class GhostscriptSettings
 		private Settings.GhostscriptPages _pages = new Settings.GhostscriptPages();
 		private System.Drawing.Size _resolution;
 		private Settings.GhostscriptPageSize _size = new Settings.GhostscriptPageSize();
+        private Settings.GhostscriptPassword _password = new Settings.GhostscriptPassword();
 
 		public Settings.GhostscriptDevices Device
 		{
@@ -251,11 +258,35 @@ public Settings.GhostscriptPageSize Size
 			get { return this._size; }
 			set { this._size = value; }
 		}
+        public Settings.GhostscriptPassword Password
+        {
+            get { return this._password; }
+            set { this._password = value; }
+        }
 	}
 }
 
 namespace GhostscriptSharp.Settings
 {
+    /// <summary>
+    /// Password for pdf file
+    /// </summary>
+    public class GhostscriptPassword
+    {
+        private string _password;
+        public string Password
+        {
+            set
+            {
+                this._password = value;
+            }
+            get
+            {
+                return this._password;
+            }
+        }
+    }
+
 	/// <summary>
 	/// Which pages to output
 	/// </summary>
diff --git a/ThirdParty/gsdll32.dll b/ThirdParty/gsdll32.dll
index 221cb1d..d22bbda 100644
Binary files a/ThirdParty/gsdll32.dll and b/ThirdParty/gsdll32.dll differ