diff --git a/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj b/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj
index 318a5006..82843bd1 100644
--- a/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Archive.Tests/Digipost.Signature.Api.Client.Archive.Tests.csproj
@@ -7,7 +7,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
-        <PackageReference Include="xunit" Version="2.4.2" />
+        <PackageReference Include="xunit" Version="2.6.6" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj b/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj
index 510919f1..35263358 100644
--- a/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Core.Tests/Digipost.Signature.Api.Client.Core.Tests.csproj
@@ -5,7 +5,7 @@
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     <PackageReference Include="NLog" Version="4.7.13" />
     <PackageReference Include="NLog.Extensions.Logging" Version="1.7.4" />
-    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj b/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj
index 747111eb..dad63578 100644
--- a/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Direct.Tests/Digipost.Signature.Api.Client.Direct.Tests.csproj
@@ -2,7 +2,7 @@
   <ItemGroup>
     <PackageReference Include="Digipost.Api.Client.Shared" Version="7.1.5" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
-    <PackageReference Include="xunit" Version="2.4.2" />
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     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj b/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj
index a98d5b61..86e2a728 100644
--- a/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj
+++ b/Digipost.Signature.Api.Client.Portal.Tests/Digipost.Signature.Api.Client.Portal.Tests.csproj
@@ -4,7 +4,7 @@
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