diff --git a/src/Dash/test/Dash.Tests/Dash.Tests.csproj b/src/Dash/test/Dash.Tests/Dash.Tests.csproj
index ef174e8f..ea5b53f6 100644
--- a/src/Dash/test/Dash.Tests/Dash.Tests.csproj
+++ b/src/Dash/test/Dash.Tests/Dash.Tests.csproj
@@ -90,7 +90,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
     <PackageReference Include="NSubstitute" Version="4.2.2" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="6.0.0" />
-    <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="12.1.1" />
+    <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="12.1.9" />
     <PackageReference Include="System.Runtime.Serialization.Json" Version="4.3.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">