diff --git a/src/BicepButton/BicepButton.csproj b/src/BicepButton/BicepButton.csproj
index 6df4df3..8ff103e 100644
--- a/src/BicepButton/BicepButton.csproj
+++ b/src/BicepButton/BicepButton.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.3.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.7" />
     <PackageReference Include="Azure.Bicep.Core" Version="0.24.24" />
-    <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="21.3.1" />
+    <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="22.1.1" />
   </ItemGroup>
   <ItemGroup>
     <None Update="host.json">