diff --git a/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Core.Tests.csproj b/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Core.Tests.csproj
index 5e05487..e682282 100644
--- a/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Core.Tests.csproj
+++ b/Base/tests/ThingsLibrary.Base.Tests/ThingsLibrary.Core.Tests.csproj
@@ -43,7 +43,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="MSTest" Version="4.0.2" />
-		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.1.0" />		
+		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.3.1" />		
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/Cache/tests/ThingsLibrary.Cache.Tests/ThingsLibrary.Cache.Tests.csproj b/Cache/tests/ThingsLibrary.Cache.Tests/ThingsLibrary.Cache.Tests.csproj
index 0eafe6e..f03fa90 100644
--- a/Cache/tests/ThingsLibrary.Cache.Tests/ThingsLibrary.Cache.Tests.csproj
+++ b/Cache/tests/ThingsLibrary.Cache.Tests/ThingsLibrary.Cache.Tests.csproj
@@ -17,7 +17,7 @@
 		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.1" />
 
 		<PackageReference Include="MSTest" Version="4.0.2" />
-		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.1.0" />
+		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.3.1" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/Database/tests/ThingsLibrary.Database.Tests/ThingsLibrary.Database.Tests.csproj b/Database/tests/ThingsLibrary.Database.Tests/ThingsLibrary.Database.Tests.csproj
index 8b98ad5..ebe2ebd 100644
--- a/Database/tests/ThingsLibrary.Database.Tests/ThingsLibrary.Database.Tests.csproj
+++ b/Database/tests/ThingsLibrary.Database.Tests/ThingsLibrary.Database.Tests.csproj
@@ -14,7 +14,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="MSTest" Version="4.0.2" />
-		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.1.0" />
+		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.3.1" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/ItemStore/tests/ThingsLibrary.ItemStore.Tests/ThingsLibrary.ItemStore.Tests.csproj b/ItemStore/tests/ThingsLibrary.ItemStore.Tests/ThingsLibrary.ItemStore.Tests.csproj
index b791162..14ed327 100644
--- a/ItemStore/tests/ThingsLibrary.ItemStore.Tests/ThingsLibrary.ItemStore.Tests.csproj
+++ b/ItemStore/tests/ThingsLibrary.ItemStore.Tests/ThingsLibrary.ItemStore.Tests.csproj
@@ -17,7 +17,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="MSTest" Version="4.0.2" />
-		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.1.0" />
+		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.3.1" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj b/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj
index 43cd93e..bd6cedd 100644
--- a/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj
+++ b/Security/tests/ThingsLibrary.Security.OAuth2.Tests/ThingsLibrary.Security.OAuth2.Tests.csproj
@@ -19,7 +19,7 @@
 	
 	<ItemGroup>
 		<PackageReference Include="MSTest" Version="4.0.2" />
-		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.1.0" />
+		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.3.1" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/Services/tests/ThingsLibrary.Services.Tests/ThingsLibrary.Services.Tests.csproj b/Services/tests/ThingsLibrary.Services.Tests/ThingsLibrary.Services.Tests.csproj
index 1281436..692f812 100644
--- a/Services/tests/ThingsLibrary.Services.Tests/ThingsLibrary.Services.Tests.csproj
+++ b/Services/tests/ThingsLibrary.Services.Tests/ThingsLibrary.Services.Tests.csproj
@@ -14,7 +14,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="MSTest" Version="4.0.2" />
-		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.1.0" />
+		<PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.3.1" />
 	</ItemGroup>
 
 	<ItemGroup>