diff --git a/CHANGELIST.md b/CHANGELIST.md
index 17e04eda..85325ded 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -37,6 +37,7 @@
 - Update Nuget packages
 - Normalize Shift-JIS characters, when possible
 - Update to DIC 20250501
+- Update RedumpLib to 1.6.6
 
 ### 3.3.0 (2025-01-03)
 
diff --git a/MPF.CLI/MPF.CLI.csproj b/MPF.CLI/MPF.CLI.csproj
index 738b7ea3..f31fb6ec 100644
--- a/MPF.CLI/MPF.CLI.csproj
+++ b/MPF.CLI/MPF.CLI.csproj
@@ -43,7 +43,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
     </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/MPF.Check/MPF.Check.csproj b/MPF.Check/MPF.Check.csproj
index ee6def82..5281799f 100644
--- a/MPF.Check/MPF.Check.csproj
+++ b/MPF.Check/MPF.Check.csproj
@@ -43,7 +43,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
     </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 8e15f099..b6cf0c48 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="17.13.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.abstractions" Version="2.0.3" />
         <PackageReference Include="xunit.analyzers" Version="1.21.0" />
diff --git a/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj b/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj
index 91dd8fdf..3ada5265 100644
--- a/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj
+++ b/MPF.ExecutionContexts/MPF.ExecutionContexts.csproj
@@ -32,7 +32,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
     </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 90fc115c..ac469e96 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="17.13.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.abstractions" Version="2.0.3" />
         <PackageReference Include="xunit.analyzers" Version="1.21.0" />
diff --git a/MPF.Frontend/MPF.Frontend.csproj b/MPF.Frontend/MPF.Frontend.csproj
index 20b3339a..e34ceabc 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="$(TargetFramework.StartsWith(`net452`))" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
         <PackageReference Include="System.Net.Http" Version="4.3.4" Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))" />
     </ItemGroup>
 
diff --git a/MPF.Processors.Test/MPF.Processors.Test.csproj b/MPF.Processors.Test/MPF.Processors.Test.csproj
index 1012b903..129a8c62 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="17.13.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.abstractions" Version="2.0.3" />
         <PackageReference Include="xunit.analyzers" Version="1.21.0" />
diff --git a/MPF.Processors/MPF.Processors.csproj b/MPF.Processors/MPF.Processors.csproj
index 466bfc28..c2497627 100644
--- a/MPF.Processors/MPF.Processors.csproj
+++ b/MPF.Processors/MPF.Processors.csproj
@@ -35,7 +35,7 @@
     <ItemGroup>
         <PackageReference Include="SabreTools.Hashing" Version="1.4.2" />
         <PackageReference Include="SabreTools.Models" Version="1.5.8" />
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
         <PackageReference Include="SabreTools.Serialization" Version="1.8.6" />
         <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`))" />
diff --git a/MPF.UI/MPF.UI.csproj b/MPF.UI/MPF.UI.csproj
index 6698f36f..f2e044d0 100644
--- a/MPF.UI/MPF.UI.csproj
+++ b/MPF.UI/MPF.UI.csproj
@@ -70,7 +70,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.5" />
+        <PackageReference Include="SabreTools.RedumpLib" Version="1.6.6" />
     </ItemGroup>
 
     <ItemGroup>