diff --git a/src/RxFree.SourceTests.Legacy/RxFree.SourceTests.Legacy.csproj b/src/RxFree.SourceTests.Legacy/RxFree.SourceTests.Legacy.csproj
index 84452b2..e4c6ff4 100644
--- a/src/RxFree.SourceTests.Legacy/RxFree.SourceTests.Legacy.csproj
+++ b/src/RxFree.SourceTests.Legacy/RxFree.SourceTests.Legacy.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\RxFree\build\RxFree.props" />
 
   <PropertyGroup>
@@ -15,8 +15,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />
   </ItemGroup>
 
   <Import Project="..\RxFree\build\RxFree.targets" />
diff --git a/src/RxFree.SourceTests.Nullable/RxFree.SourceTests.Nullable.csproj b/src/RxFree.SourceTests.Nullable/RxFree.SourceTests.Nullable.csproj
index e496b81..326f3e9 100644
--- a/src/RxFree.SourceTests.Nullable/RxFree.SourceTests.Nullable.csproj
+++ b/src/RxFree.SourceTests.Nullable/RxFree.SourceTests.Nullable.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\RxFree\build\RxFree.props" />
 
   <PropertyGroup>
@@ -15,8 +15,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />
   </ItemGroup>
 
   <Import Project="..\RxFree\build\RxFree.targets" />
diff --git a/src/RxFree.SourceTests/RxFree.SourceTests.csproj b/src/RxFree.SourceTests/RxFree.SourceTests.csproj
index 336a356..18f49bf 100644
--- a/src/RxFree.SourceTests/RxFree.SourceTests.csproj
+++ b/src/RxFree.SourceTests/RxFree.SourceTests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\RxFree\build\RxFree.props" />
 
   <PropertyGroup>
@@ -16,8 +16,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />
   </ItemGroup>
 
   <Import Project="..\RxFree\build\RxFree.targets" />
diff --git a/src/RxFree.Tests/RxFree.Tests.csproj b/src/RxFree.Tests/RxFree.Tests.csproj
index bf53c33..6691447 100644
--- a/src/RxFree.Tests/RxFree.Tests.csproj
+++ b/src/RxFree.Tests/RxFree.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
@@ -6,8 +6,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />
   </ItemGroup>
 
   <ItemGroup>