diff --git a/tests/KubernetesClient.Classic.Tests/KubernetesClient.Classic.Tests.csproj b/tests/KubernetesClient.Classic.Tests/KubernetesClient.Classic.Tests.csproj
index 6754cdd96..69c694d32 100644
--- a/tests/KubernetesClient.Classic.Tests/KubernetesClient.Classic.Tests.csproj
+++ b/tests/KubernetesClient.Classic.Tests/KubernetesClient.Classic.Tests.csproj
@@ -10,7 +10,7 @@
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       <PackageReference Include="FluentAssertions" Version="6.8.0" />
       <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
-      <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="18.0.1" />
+      <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="19.1.1" />
       <PackageReference Include="System.Reactive" Version="5.0.0" />
       <PackageReference Include="Nito.AsyncEx" Version="5.1.2" />
       <PackageReference Include="Portable.BouncyCastle" Version="1.9.0" />
diff --git a/tests/KubernetesClient.Tests/KubernetesClient.Tests.csproj b/tests/KubernetesClient.Tests/KubernetesClient.Tests.csproj
index 5affca64e..55d9c2137 100644
--- a/tests/KubernetesClient.Tests/KubernetesClient.Tests.csproj
+++ b/tests/KubernetesClient.Tests/KubernetesClient.Tests.csproj
@@ -9,7 +9,7 @@
       <PackageReference Include="MartinCostello.Logging.XUnit" Version="0.3.0" />
       <PackageReference Include="FluentAssertions" Version="6.8.0" />
       <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
-      <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="18.0.1" />
+      <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="19.1.1" />
       <PackageReference Include="System.Reactive" Version="5.0.0" />
       <PackageReference Include="Nito.AsyncEx" Version="5.1.2" />
       <PackageReference Include="Portable.BouncyCastle" Version="1.9.0" />