diff --git a/.github/workflows/link-checker.yml b/.github/workflows/link-checker.yml
index 315c8405c2..83e0e7ce0e 100644
--- a/.github/workflows/link-checker.yml
+++ b/.github/workflows/link-checker.yml
@@ -15,6 +15,7 @@ jobs:
         /aclanthology.org/
         /arxiv.org/
         /cwiki.apache.org/
+        /datatracker.ietf.org/
         /docs.vespa.ai/playground/
         /hub.docker.com/r/
         /javadoc.io.*#/