diff --git a/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj b/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj
index 94aeef5980..515ecebc32 100644
--- a/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj
+++ b/Source/ACE.DatLoader.Tests/ACE.DatLoader.Tests.csproj
@@ -29,7 +29,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.3" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Source/ACE.Database.Tests/ACE.Database.Tests.csproj b/Source/ACE.Database.Tests/ACE.Database.Tests.csproj
index 5f1fcbdd12..5bc6108972 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="17.11.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.3" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Source/ACE.Server.Tests/ACE.Server.Tests.csproj b/Source/ACE.Server.Tests/ACE.Server.Tests.csproj
index 31a07adc2f..bf465b7c94 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="17.11.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.3" />
   </ItemGroup>
 
   <ItemGroup>