diff --git a/netstack/.github/workflows/ci.yml b/netstack/.github/workflows/ci.yml
index c6b169f..ead1ac6 100644
--- a/netstack/.github/workflows/ci.yml
+++ b/netstack/.github/workflows/ci.yml
@@ -78,7 +78,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4
       - name: Link Checker
-        uses: lycheeverse/lychee-action@v2.7.0
+        uses: lycheeverse/lychee-action@a8c4c7cb88f0c7386610c35eb25108e448569cb0  # v2.7.0
         with:
           args: --verbose --no-progress '**/*.md' '**/*.adoc'
           fail: true