diff --git a/.github/workflows/twoslash-repros.yaml b/.github/workflows/twoslash-repros.yaml
index 492962422526e..e8ab3e768dd3e 100644
--- a/.github/workflows/twoslash-repros.yaml
+++ b/.github/workflows/twoslash-repros.yaml
@@ -82,7 +82,7 @@ jobs:
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 'lts/*'
-      - uses: microsoft/TypeScript-Twoslash-Repro-Action@master
+      - uses: microsoft/TypeScript-Twoslash-Repro-Action@896a8519c4a94659aae0e27c9c92d6115bfb6ad8 # master
         with:
           github-token: ${{ steps.app-token.outputs.token }}
           issue: ${{ github.event.inputs.issue }}