diff --git a/ShortGuid.Tests/ShortGuid.Tests.csproj b/ShortGuid.Tests/ShortGuid.Tests.csproj
index 0a5cfa0..20d5d42 100644
--- a/ShortGuid.Tests/ShortGuid.Tests.csproj
+++ b/ShortGuid.Tests/ShortGuid.Tests.csproj
@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework" Version="11.0.50727.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.1.1" />
     <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
     <PackageReference Include="System.Runtime.Caching" Version="4.5.0" />
diff --git a/ShortGuid.Tests/packages.config b/ShortGuid.Tests/packages.config
index 5d7f695..abfe351 100644
--- a/ShortGuid.Tests/packages.config
+++ b/ShortGuid.Tests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MSTest.TestAdapter" version="2.0.0" targetFramework="net452" />
+  <package id="MSTest.TestAdapter" version="2.1.1" targetFramework="net452" />
   <package id="MSTest.TestFramework" version="2.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net452" />
 </packages>
\ No newline at end of file