diff --git a/docs/src/running-tests-csharp.md b/docs/src/running-tests-csharp.md
index 2dca365e73..0b2fed27b3 100644
--- a/docs/src/running-tests-csharp.md
+++ b/docs/src/running-tests-csharp.md
@@ -138,6 +138,10 @@ dotnet test -- xUnit.MaxParallelThreads=5
 
 See [here](https://xunit.net/docs/running-tests-in-parallel.html) for more information to run tests in parallel with xUnit.
 
+:::note
+We recommend xUnit 2.8+ which uses the [`conservative` parallelism algorithm](https://xunit.net/docs/running-tests-in-parallel.html#algorithms) by default.
+:::
+
 </TabItem>
 </Tabs>
 
diff --git a/docs/src/test-runners-csharp.md b/docs/src/test-runners-csharp.md
index ca7f32e78a..baea64bbdb 100644
--- a/docs/src/test-runners-csharp.md
+++ b/docs/src/test-runners-csharp.md
@@ -81,6 +81,10 @@ It will create by default as many processes as there are cores on the system. Yo
 dotnet test -- xUnit.MaxParallelThreads=5
 ```
 
+:::note
+We recommend xUnit 2.8+ which uses the [`conservative` parallelism algorithm](https://xunit.net/docs/running-tests-in-parallel.html#algorithms) by default.
+:::
+
 </TabItem>
 </Tabs>