diff --git a/CHANGELIST.md b/CHANGELIST.md
index 99ae0d3f..1e02d854 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -21,6 +21,7 @@
 - Support multisession cache files
 - Update DIC to 20250901 (Windows/Linux only)
 - Fix UIC processing logic
+- Update RedumpLib, detect Playmaji Polymega system
 
 ### 3.3.3 (2025-07-18)
 
diff --git a/MPF.CLI/MPF.CLI.csproj b/MPF.CLI/MPF.CLI.csproj
index 01304b99..e52236de 100644
--- a/MPF.CLI/MPF.CLI.csproj
+++ b/MPF.CLI/MPF.CLI.csproj
@@ -43,7 +43,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
     </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/MPF.Check/MPF.Check.csproj b/MPF.Check/MPF.Check.csproj
index 80750503..47af112c 100644
--- a/MPF.Check/MPF.Check.csproj
+++ b/MPF.Check/MPF.Check.csproj
@@ -43,7 +43,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
     </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/MPF.ExecutionContexts.Test/MPF.ExecutionContexts.Test.csproj b/MPF.ExecutionContexts.Test/MPF.ExecutionContexts.Test.csproj
index 44984670..e6789211 100644
--- a/MPF.ExecutionContexts.Test/MPF.ExecutionContexts.Test.csproj
+++ b/MPF.ExecutionContexts.Test/MPF.ExecutionContexts.Test.csproj
@@ -17,7 +17,7 @@
         <PackageReference Include="Microsoft.CodeCoverage" Version="17.14.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.abstractions" Version="2.0.3" />
         <PackageReference Include="xunit.analyzers" Version="1.24.0" />
diff --git a/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj b/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj
index 613aa73a..deb2cb90 100644
--- a/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj
+++ b/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj
@@ -32,7 +32,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
     </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/MPF.Frontend.Test/MPF.Frontend.Test.csproj b/MPF.Frontend.Test/MPF.Frontend.Test.csproj
index db443373..11b28730 100644
--- a/MPF.Frontend.Test/MPF.Frontend.Test.csproj
+++ b/MPF.Frontend.Test/MPF.Frontend.Test.csproj
@@ -17,7 +17,7 @@
         <PackageReference Include="Microsoft.CodeCoverage" Version="17.14.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.abstractions" Version="2.0.3" />
         <PackageReference Include="xunit.analyzers" Version="1.24.0" />
diff --git a/MPF.Frontend/MPF.Frontend.csproj b/MPF.Frontend/MPF.Frontend.csproj
index 6f07147f..95774785 100644
--- a/MPF.Frontend/MPF.Frontend.csproj
+++ b/MPF.Frontend/MPF.Frontend.csproj
@@ -36,7 +36,7 @@
         <PackageReference Include="Microsoft.Management.Infrastructure" Version="3.0.0" Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))" />
         <PackageReference Include="Microsoft.Net.Http" Version="2.2.29" Condition="$(TargetFramework.StartsWith(`net452`))" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
         <PackageReference Include="System.Net.Http" Version="4.3.4" Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))" />
     </ItemGroup>
 
diff --git a/MPF.Frontend/ViewModels/MainViewModel.cs b/MPF.Frontend/ViewModels/MainViewModel.cs
index 42985795..128a2105 100644
--- a/MPF.Frontend/ViewModels/MainViewModel.cs
+++ b/MPF.Frontend/ViewModels/MainViewModel.cs
@@ -1665,6 +1665,12 @@ namespace MPF.Frontend.ViewModels
             }
             catch { }
 
+            // Playmaji Polymega
+            if (File.Exists(Path.Combine(drive.Name, "Get Polymega App.url")))
+            {
+                return RedumpSystem.PlaymajiPolymega;
+            }
+
             try
             {
                 // Sega Saturn / Sega Dreamcast / Sega Mega-CD / Sega-CD
diff --git a/MPF.Processors.Test/MPF.Processors.Test.csproj b/MPF.Processors.Test/MPF.Processors.Test.csproj
index 87c0ac97..522f5eaf 100644
--- a/MPF.Processors.Test/MPF.Processors.Test.csproj
+++ b/MPF.Processors.Test/MPF.Processors.Test.csproj
@@ -27,7 +27,7 @@
         <PackageReference Include="Microsoft.CodeCoverage" Version="17.14.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.abstractions" Version="2.0.3" />
         <PackageReference Include="xunit.analyzers" Version="1.24.0" />
diff --git a/MPF.Processors/MPF.Processors.csproj b/MPF.Processors/MPF.Processors.csproj
index 83fe9515..14b4e2f1 100644
--- a/MPF.Processors/MPF.Processors.csproj
+++ b/MPF.Processors/MPF.Processors.csproj
@@ -33,10 +33,12 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.Hashing" Version="1.4.2" />
-        <PackageReference Include="SabreTools.Models" Version="1.6.1" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
-        <PackageReference Include="SabreTools.Serialization" Version="1.8.6" />
+        <PackageReference Include="SabreTools.Hashing" Version="1.5.0" />
+        <PackageReference Include="SabreTools.IO" Version="1.7.2" />
+        <PackageReference Include="SabreTools.Matching" Version="1.6.0" />
+        <PackageReference Include="SabreTools.Models" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
+        <PackageReference Include="SabreTools.Serialization" Version="1.9.0" />
         <PackageReference Include="System.IO.Compression" Version="4.3.0" Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`))" />
         <PackageReference Include="System.IO.Compression.ZipFile" Version="4.3.0" Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))" />
         <PackageReference Include="System.Text.Encoding.CodePages" Version="9.0.4" Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))" />
diff --git a/MPF.UI/MPF.UI.csproj b/MPF.UI/MPF.UI.csproj
index 32313f1a..1de7024f 100644
--- a/MPF.UI/MPF.UI.csproj
+++ b/MPF.UI/MPF.UI.csproj
@@ -70,7 +70,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.1" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.7.2" />
     </ItemGroup>
 
     <ItemGroup>