diff --git a/CHANGELIST.md b/CHANGELIST.md
index e2b6629c..613ee37a 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -1,3 +1,6 @@
+### WIP (xxxx-xx-xx)
+- Update redumper to build 195
+
 ### 2.6.2 (2023-07-25)
 
 - Ensure custom parameters properly set
diff --git a/MPF.Modules/Redumper/Constants.cs b/MPF.Modules/Redumper/Constants.cs
index 027e4cf0..6ede96f8 100644
--- a/MPF.Modules/Redumper/Constants.cs
+++ b/MPF.Modules/Redumper/Constants.cs
@@ -17,6 +17,7 @@ namespace MPF.Modules.Redumper
         public const string Split = "split";
         public const string Verify = "verify";
         public const string DVDKey = "dvdkey";
+        public const string DVDIsoKey = "dvdisokey";
     }
 
     /// <summary>
diff --git a/MPF.Modules/Redumper/Parameters.cs b/MPF.Modules/Redumper/Parameters.cs
index d06c28bf..2069c11f 100644
--- a/MPF.Modules/Redumper/Parameters.cs
+++ b/MPF.Modules/Redumper/Parameters.cs
@@ -954,6 +954,7 @@ namespace MPF.Modules.Redumper
                     case CommandStrings.Split:
                     case CommandStrings.Verify:
                     case CommandStrings.DVDKey:
+                    case CommandStrings.DVDIsoKey:
                     case CommandStrings.Info:
                         ModeValues.Add(part);
                         break;
diff --git a/appveyor.yml b/appveyor.yml
index 24adf4e6..76fa721f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -68,12 +68,12 @@ after_build:
 - 7z e DiscImageCreator_20230606.zip -oMPF\bin\Debug\net6.0-windows\win10-x64\publish\Programs\Creator Release_ANSI\*
 
 # Redumper
-- ps: appveyor DownloadFile https://github.com/superg/redumper/releases/download/build_183/redumper-2023.07.09_build183-win64.zip
-- 7z e redumper-2023.07.09_build183-win64.zip -oMPF\bin\Debug\net48\publish\Programs\Redumper redumper-2023.07.09_build183-win64\bin\*
-- 7z e redumper-2023.07.09_build183-win64.zip -oMPF\bin\Debug\net6.0-windows\win7-x64\publish\Programs\Redumper redumper-2023.07.09_build183-win64\bin\*
-- 7z e redumper-2023.07.09_build183-win64.zip -oMPF\bin\Debug\net6.0-windows\win8-x64\publish\Programs\Redumper redumper-2023.07.09_build183-win64\bin\*
-- 7z e redumper-2023.07.09_build183-win64.zip -oMPF\bin\Debug\net6.0-windows\win81-x64\publish\Programs\Redumper redumper-2023.07.09_build183-win64\bin\*
-- 7z e redumper-2023.07.09_build183-win64.zip -oMPF\bin\Debug\net6.0-windows\win10-x64\publish\Programs\Redumper redumper-2023.07.09_build183-win64\bin\*
+- ps: appveyor DownloadFile https://github.com/superg/redumper/releases/download/build_195/redumper-2023.07.19_build195-win64.zip
+- 7z e redumper-2023.07.19_build195-win64.zip -oMPF\bin\Debug\net48\publish\Programs\Redumper redumper-2023.07.19_build195-win64\bin\*
+- 7z e redumper-2023.07.19_build195-win64.zip -oMPF\bin\Debug\net6.0-windows\win7-x64\publish\Programs\Redumper redumper-2023.07.19_build195-win64\bin\*
+- 7z e redumper-2023.07.19_build195-win64.zip -oMPF\bin\Debug\net6.0-windows\win8-x64\publish\Programs\Redumper redumper-2023.07.19_build195-win64\bin\*
+- 7z e redumper-2023.07.19_build195-win64.zip -oMPF\bin\Debug\net6.0-windows\win81-x64\publish\Programs\Redumper redumper-2023.07.19_build195-win64\bin\*
+- 7z e redumper-2023.07.19_build195-win64.zip -oMPF\bin\Debug\net6.0-windows\win10-x64\publish\Programs\Redumper redumper-2023.07.19_build195-win64\bin\*
 
 # Subdump
 - ps: appveyor DownloadFile https://archive.org/download/subdump_fua_0x28/subdump_fua_0x28.zip