diff --git a/.github/workflows/release_notes_updated.yaml b/.github/workflows/release_notes_updated.yaml
index 1b4ec15..d080c20 100644
--- a/.github/workflows/release_notes_updated.yaml
+++ b/.github/workflows/release_notes_updated.yaml
@@ -10,8 +10,11 @@ jobs:
       - name: Check for development branch
         id: branch
         shell: python
+        env:
+          REF: ${{ github.event.pull_request.head.ref }}
         run: |
           from re import compile
+          import os
           main = '^main$'
           release = '^release_v\d+\.\d+\.\d+$'
           backport = '^backport_v\d+\.\d+\.\d+$'
@@ -19,7 +22,7 @@ jobs:
           min_dep_update = '^min-dep-update-[a-f0-9]{7}$'
           regex = main, release, backport, dep_update, min_dep_update
           patterns = list(map(compile, regex))
-          ref = "${{ github.event.pull_request.head.ref }}"
+          ref = os.environ["REF"]
           is_dev = not any(pattern.match(ref) for pattern in patterns)
           print('::set-output name=is_dev::' + str(is_dev))
       - if: ${{ steps.branch.outputs.is_dev == 'true' }}
diff --git a/release_notes.rst b/release_notes.rst
index 3797636..20ceb17 100644
--- a/release_notes.rst
+++ b/release_notes.rst
@@ -3,15 +3,14 @@
 Release Notes
 -------------
 
-.. Future Release
-  ==============
+Future Release
+==============
     * Enhancements
     * Fixes
     * Changes
     * Documentation Changes
     * Testing Changes
-
-.. Thanks to the following people for contributing to this release:
+        * * Update release notes updated check CI action (:pr:`284`)
 
 v0.0.3 Mar 19, 2024
 ===================