diff --git a/test/ProjectDiff.Tests/ProjectDiff.Tests.csproj b/test/ProjectDiff.Tests/ProjectDiff.Tests.csproj
index 3074f16..17a0298 100644
--- a/test/ProjectDiff.Tests/ProjectDiff.Tests.csproj
+++ b/test/ProjectDiff.Tests/ProjectDiff.Tests.csproj
@@ -15,7 +15,7 @@
 
         <PackageReference Include="coverlet.collector" Version="6.0.4"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"/>
-        <PackageReference Include="System.Collections.Immutable" Version="9.0.8"/>
+        <PackageReference Include="System.Collections.Immutable" Version="9.0.10"/>
         <PackageReference Include="System.IO.Pipelines" Version="9.0.8" />
         <PackageReference Include="Verify.XunitV3" Version="30.7.3"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4">