diff --git a/.gitea/workflows/check.yml b/.gitea/workflows/check.yml
index 6683854..a01c27b 100644
--- a/.gitea/workflows/check.yml
+++ b/.gitea/workflows/check.yml
@@ -71,7 +71,7 @@ jobs:
           PYSLACK
       - name: Fetch pinned headless HTTP integration client
         env:
-          HEADLESS_CLIENT_REVISION: 3c5e67c03d944828d0c2e51ecadb4d2dac1c9765
+          HEADLESS_CLIENT_REVISION: 6ec6b120742e81be011b93f8986d894744cb7deb
         run: |
           set -eu
           mkdir -p .headless-client