diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d27ee1b34d530e..8f63d1a60ddb5f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -136,7 +136,7 @@ jobs:
         run: yarn type-check
 
       - name: markdownlint
-        uses: DavidAnson/markdownlint-cli2-action@v10.0.1
+        uses: DavidAnson/markdownlint-cli2-action@bb4bb94c73936643d73d345b48fead3e96f90a5e # v10.0.1
 
       - name: Lint
         run: |