diff --git a/.gitea/workflows/check.yml b/.gitea/workflows/check.yml
index fa464f1..62114af 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: 5b35519562823175b73243cc5b0eb6b01a541a30
+          HEADLESS_CLIENT_REVISION: 3a71c9ac57b775524686feb20f2165587d535050
         run: |
           set -eu
           mkdir -p .headless-client