diff --git a/src/FSharp.Control.TaskSeq.SmokeTests/FSharp.Control.TaskSeq.SmokeTests.fsproj b/src/FSharp.Control.TaskSeq.SmokeTests/FSharp.Control.TaskSeq.SmokeTests.fsproj
index d2387cc0..78a864ef 100644
--- a/src/FSharp.Control.TaskSeq.SmokeTests/FSharp.Control.TaskSeq.SmokeTests.fsproj
+++ b/src/FSharp.Control.TaskSeq.SmokeTests/FSharp.Control.TaskSeq.SmokeTests.fsproj
@@ -19,7 +19,7 @@
     <PackageReference Update="FSharp.Core" Version="7.0.401" />
     <PackageReference Include="FSharp.Control.TaskSeq" Version="0.4.0-alpha.1" />
     <PackageReference Include="FsToolkit.ErrorHandling.TaskResult" Version="4.10.0" />
-    <PackageReference Include="FsUnit.xUnit" Version="5.5.0" />
+    <PackageReference Include="FsUnit.xUnit" Version="5.4.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
     <PackageReference Include="xunit" Version="2.6.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
diff --git a/src/FSharp.Control.TaskSeq.Test/FSharp.Control.TaskSeq.Test.fsproj b/src/FSharp.Control.TaskSeq.Test/FSharp.Control.TaskSeq.Test.fsproj
index b470c432..b6b170c9 100644
--- a/src/FSharp.Control.TaskSeq.Test/FSharp.Control.TaskSeq.Test.fsproj
+++ b/src/FSharp.Control.TaskSeq.Test/FSharp.Control.TaskSeq.Test.fsproj
@@ -53,7 +53,7 @@
   <ItemGroup>
     <!-- align test project with minimal required version for TaskSeq, which is 6.0.1 at the moment -->
     <PackageReference Update="FSharp.Core" Version="6.0.1" />
-    <PackageReference Include="FsUnit.xUnit" Version="5.5.0" />
+    <PackageReference Include="FsUnit.xUnit" Version="5.4.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
     <PackageReference Include="xunit" Version="2.6.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">