diff --git a/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj b/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj
index d7081cddee..b382c16774 100644
--- a/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj
+++ b/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj
@@ -29,7 +29,7 @@
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     <PackageReference Include="MSTest.TestAdapter" Version="4.4.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.4.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.5.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Source/ACE.Database.Tests/ACE.Database.Tests.csproj b/Source/ACE.Database.Tests/ACE.Database.Tests.csproj
index 487c6f6dc0..a26a7d69f3 100644
--- a/Source/ACE.Database.Tests/ACE.Database.Tests.csproj
+++ b/Source/ACE.Database.Tests/ACE.Database.Tests.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.4.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.4.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.5.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Source/ACE.Server.Tests/ACE.Server.Tests.csproj b/Source/ACE.Server.Tests/ACE.Server.Tests.csproj
index adb39aa202..93d70ce929 100644
--- a/Source/ACE.Server.Tests/ACE.Server.Tests.csproj
+++ b/Source/ACE.Server.Tests/ACE.Server.Tests.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.4.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.4.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.5.1" />
   </ItemGroup>
 
   <ItemGroup>