diff --git a/.github/workflows/docs_validate.yml b/.github/workflows/docs_validate.yml
index ee16cdd6..45396e65 100644
--- a/.github/workflows/docs_validate.yml
+++ b/.github/workflows/docs_validate.yml
@@ -17,7 +17,7 @@ jobs:
       with:
         fetch-depth: 0 # avoid shallow clone so nbgv can do its work.
     - name: 🔗 Markup Link Checker (mlc)
-      uses: becheran/mlc@v0.19.2
+      uses: becheran/mlc@v0.21.0
       with:
         args: --do-not-warn-for-redirect-to https://learn.microsoft.com*,https://dotnet.microsoft.com/*,https://dev.azure.com/*,https://app.codecov.io/*,https://github.com/Microsoft/vs-threading/* -p docfx -i https://aka.ms/onboardsupport,https://aka.ms/spot,https://msrc.microsoft.com/*,https://www.microsoft.com/msrc*,https://microsoft.com/msrc*
     - name: ⚙ Install prerequisites