diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index 690bca59..40d5daad 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -32,6 +32,8 @@ jobs:
           dotnet-version: |
             6.0.x
             7.0.x
+            8.0.x
+            9.0.x
 
       - name: Setup DocFX
         uses: crazy-max/ghaction-chocolatey@v1