diff --git a/playbooks/nh3-extdev-althing-v3.yaml b/playbooks/nh3-extdev-althing-v3.yaml
index 0ce8445..5dbd57c 100644
--- a/playbooks/nh3-extdev-althing-v3.yaml
+++ b/playbooks/nh3-extdev-althing-v3.yaml
@@ -19,8 +19,8 @@
 # Rerunnable: a second run shows the install and unit steps skipped.
 
 vars:
-  wheel_src: /home/lkraven/development/althing/dist/althing_core-3.1.0-py3-none-any.whl
-  wheel_dest: /tmp/althing_core-3.1.0-py3-none-any.whl
+  wheel_src: /home/lkraven/development/althing/dist/althing_core-3.1.1-py3-none-any.whl
+  wheel_dest: /tmp/althing_core-3.1.1-py3-none-any.whl
   uv: /home/infra-ops/.local/bin/uv
   tool_dir: /opt/uv-tools
   bin_dir: /usr/local/bin
@@ -33,12 +33,18 @@ vars:
   #   3.0.1  zellij.py:_PANE_ID  session_source.py:_live_pid    (pane routes)
   #   3.0.3  post_office_herald.py:PANE_SETTLE_S               (write/submit race)
   #   3.1.0  post_office_herald.py:POST_OFFICE_HINT  dev_launch.py:resolve_post_office
-  markers: "post_office_herald.py:POST_OFFICE_HINT dev_launch.py:resolve_post_office"
+  #   3.1.1  postbox.py:warn_if_handle_looks_wrong    dev_launch.py:handles_launched_at
+  #
+  # ⚠ Match on PRESENCE (grep -q), never on a count. 3.1.1 shipped with a stated
+  # expectation of "grep -c handles_launched_at dev_launch.py # 2+"; the real count
+  # there is 1 (the definition) with the other two occurrences in postbox.py. A count
+  # assertion would have reported FAILED on a byte-perfect install.
+  markers: "postbox.py:warn_if_handle_looks_wrong dev_launch.py:handles_launched_at"
 
 steps:
   - name: Stage the v3.0.0 wheel
     upload:
-      src: /home/lkraven/development/althing/dist/althing_core-3.1.0-py3-none-any.whl
+      src: /home/lkraven/development/althing/dist/althing_core-3.1.1-py3-none-any.whl
       dest: "{{ wheel_dest }}"
       mode: "0644"