diff --git a/samples/MultiProjectSolution/source/ModalModule/ModalModule.csproj b/samples/MultiProjectSolution/source/ModalModule/ModalModule.csproj
index 70d3eda7..b175e8de 100644
--- a/samples/MultiProjectSolution/source/ModalModule/ModalModule.csproj
+++ b/samples/MultiProjectSolution/source/ModalModule/ModalModule.csproj
@@ -17,7 +17,7 @@
         <PackageReference Include="System.Text.Json" Version="10.0.7"/>
         <PackageReference Include="ILRepack" Version="2.0.45"/>
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0" PrivateAssets="all"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/samples/MultiProjectSolution/source/ModelessModule/ModelessModule.csproj b/samples/MultiProjectSolution/source/ModelessModule/ModelessModule.csproj
index 85bd0ce3..619796ba 100644
--- a/samples/MultiProjectSolution/source/ModelessModule/ModelessModule.csproj
+++ b/samples/MultiProjectSolution/source/ModelessModule/ModelessModule.csproj
@@ -14,7 +14,7 @@
         <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.2"/>
         <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.7"/>
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0" PrivateAssets="all"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/samples/MultiProjectSolution/source/RevitAddIn/RevitAddIn.csproj b/samples/MultiProjectSolution/source/RevitAddIn/RevitAddIn.csproj
index 8e240ffe..46a84110 100644
--- a/samples/MultiProjectSolution/source/RevitAddIn/RevitAddIn.csproj
+++ b/samples/MultiProjectSolution/source/RevitAddIn/RevitAddIn.csproj
@@ -23,7 +23,7 @@
         <PackageReference Include="Serilog.Extensions.Hosting" Version="10.0.0"/>
         <PackageReference Include="ILRepack" Version="2.0.45"/>
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0" PrivateAssets="all"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/samples/MultiProjectSolution/tests/RevitAddIn.Benchmark/RevitAddIn.Benchmark.csproj b/samples/MultiProjectSolution/tests/RevitAddIn.Benchmark/RevitAddIn.Benchmark.csproj
index 618d3999..cc5f9b70 100644
--- a/samples/MultiProjectSolution/tests/RevitAddIn.Benchmark/RevitAddIn.Benchmark.csproj
+++ b/samples/MultiProjectSolution/tests/RevitAddIn.Benchmark/RevitAddIn.Benchmark.csproj
@@ -12,7 +12,7 @@
         <PackageReference Include="Nice3point.BenchmarkDotNet.Revit" Version="$(RevitVersion).*-*"/>
         <PackageReference Include="BenchmarkDotNet" Version="0.15.8"/>
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/samples/MultiProjectSolution/tests/RevitAddin.Tests/RevitAddin.Tests.csproj b/samples/MultiProjectSolution/tests/RevitAddin.Tests/RevitAddin.Tests.csproj
index 77753646..4833e1e1 100644
--- a/samples/MultiProjectSolution/tests/RevitAddin.Tests/RevitAddin.Tests.csproj
+++ b/samples/MultiProjectSolution/tests/RevitAddin.Tests/RevitAddin.Tests.csproj
@@ -11,7 +11,7 @@
         <PackageReference Include="Nice3point.Revit.Api.RevitAPI" Version="$(RevitVersion).*-*"/>
         <PackageReference Include="Nice3point.TUnit.Revit" Version="$(RevitVersion).*-*"/>
         <PackageReference Include="TUnit" Version="1.47.0"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/source/Nice3point.Revit.Sdk/Nice3point.Revit.Sdk.csproj b/source/Nice3point.Revit.Sdk/Nice3point.Revit.Sdk.csproj
index 8ccdff4c..b1649814 100644
--- a/source/Nice3point.Revit.Sdk/Nice3point.Revit.Sdk.csproj
+++ b/source/Nice3point.Revit.Sdk/Nice3point.Revit.Sdk.csproj
@@ -36,7 +36,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.Build.Utilities.Core" Version="18.4.0" ExcludeAssets="Runtime"/>
-        <PackageReference Include="Polyfill" Version="10.5.1"/>
+        <PackageReference Include="Polyfill" Version="10.10.0"/>
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0"/>
     </ItemGroup>
 
diff --git a/source/Nice3point.Revit.Templates/Nice3point.Benchmark.Revit/Nice3point.Benchmark.Revit.1.csproj b/source/Nice3point.Revit.Templates/Nice3point.Benchmark.Revit/Nice3point.Benchmark.Revit.1.csproj
index 04be4eb1..a64b9538 100644
--- a/source/Nice3point.Revit.Templates/Nice3point.Benchmark.Revit/Nice3point.Benchmark.Revit.1.csproj
+++ b/source/Nice3point.Revit.Templates/Nice3point.Benchmark.Revit/Nice3point.Benchmark.Revit.1.csproj
@@ -11,7 +11,7 @@
         <PackageReference Include="Nice3point.Revit.Api.RevitAPI" Version="$(RevitVersion).*"/>
         <PackageReference Include="Nice3point.BenchmarkDotNet.Revit" Version="$(RevitVersion).*"/>
         <PackageReference Include="BenchmarkDotNet" Version="0.15.8"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Application/Nice3point.Revit.AddIn.1.csproj b/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Application/Nice3point.Revit.AddIn.1.csproj
index aaed32a9..9c56c0b3 100644
--- a/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Application/Nice3point.Revit.AddIn.1.csproj
+++ b/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Application/Nice3point.Revit.AddIn.1.csproj
@@ -52,7 +52,7 @@
 
         <!-- Development Dependencies -->
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0" PrivateAssets="all"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
 <!--#if (isApplicationAddin)-->
diff --git a/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Module/Nice3point.Revit.AddIn.1.csproj b/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Module/Nice3point.Revit.AddIn.1.csproj
index 332c722a..edad387c 100644
--- a/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Module/Nice3point.Revit.AddIn.1.csproj
+++ b/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn.Module/Nice3point.Revit.AddIn.1.csproj
@@ -23,7 +23,7 @@
 
         <!-- Development Dependencies -->
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0" PrivateAssets="all"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
 
 <!--#if (addinUiWpf)-->
diff --git a/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn/Nice3point.Revit.AddIn.1.csproj b/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn/Nice3point.Revit.AddIn.1.csproj
index 2fd15f78..726cb100 100644
--- a/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn/Nice3point.Revit.AddIn.1.csproj
+++ b/source/Nice3point.Revit.Templates/Nice3point.Revit.AddIn/Nice3point.Revit.AddIn.1.csproj
@@ -57,7 +57,7 @@
 
         <!-- Development Dependencies -->
         <PackageReference Include="JetBrains.Annotations" Version="2026.2.0" PrivateAssets="all"/>
-        <PackageReference Include="Polyfill" Version="10.5.1" PrivateAssets="all"/>
+        <PackageReference Include="Polyfill" Version="10.10.0" PrivateAssets="all"/>
     </ItemGroup>
     
 <!--#if (isApplicationAddin)-->
diff --git a/source/Nice3point.Revit.Templates/Nice3point.Unit.Revit/Nice3point.Unit.Revit.1.csproj b/source/Nice3point.Revit.Templates/Nice3point.Unit.Revit/Nice3point.Unit.Revit.1.csproj
index 678ea226..63f5df50 100644
--- a/source/Nice3point.Revit.Templates/Nice3point.Unit.Revit/Nice3point.Unit.Revit.1.csproj
+++ b/source/Nice3point.Revit.Templates/Nice3point.Unit.Revit/Nice3point.Unit.Revit.1.csproj
@@ -12,7 +12,7 @@
         <PackageReference Include="Nice3point.Revit.Api.RevitAPI" Version="$(RevitVersion).*"/>
         <PackageReference Include="Nice3point.TUnit.Revit" Version="$(RevitVersion).*"/>
         <PackageReference Include="TUnit" Version="1.47.0"/>
-        <PackageReference Include="Polyfill" Version="10.5.1"/>
+        <PackageReference Include="Polyfill" Version="10.10.0"/>
     </ItemGroup>
 
 </Project>
\ No newline at end of file