diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index b7f7bd4c6f..deb2b3cb1e 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -82,7 +82,7 @@ jobs:
       # http://man7.org/linux/man-pages/man1/date.1.html
       - name: "Get last Monday's date"
         id: get-date
-        run: echo "::set-output name=date::$(/bin/date -u --date='last Mon' "+%F")"
+        run: echo "date=$(/bin/date -u --date='last Mon' "+%F")" >> $GITHUB_OUTPUT
 
       - name: Cache PHPCS scan cache
         uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # v3.0.11
diff --git a/.github/workflows/php-compatibility.yml b/.github/workflows/php-compatibility.yml
index 3586889407..328aa2f665 100644
--- a/.github/workflows/php-compatibility.yml
+++ b/.github/workflows/php-compatibility.yml
@@ -77,7 +77,7 @@ jobs:
       # http://man7.org/linux/man-pages/man1/date.1.html
       - name: "Get last Monday's date"
         id: get-date
-        run: echo "::set-output name=date::$(/bin/date -u --date='last Mon' "+%F")"
+        run: echo "date=$(/bin/date -u --date='last Mon' "+%F")" >> $GITHUB_OUTPUT
 
       - name: Cache PHP compatibility scan cache
         uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # v3.0.11
diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index 1d16e40ffa..471da70258 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -121,18 +121,18 @@ jobs:
       # http://man7.org/linux/man-pages/man1/date.1.html
       - name: "Get last Monday's date"
         id: get-date
-        run: echo "::set-output name=date::$(/bin/date -u --date='last Mon' "+%F")"
+        run: echo "date=$(/bin/date -u --date='last Mon' "+%F")" >> $GITHUB_OUTPUT
 
       - name: Get Composer cache directory
         id: composer-cache
-        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+        run: echo "composer_dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache Composer dependencies
         uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # v3.0.11
         env:
           cache-name: cache-composer-dependencies
         with:
-          path: ${{ steps.composer-cache.outputs.dir }}
+          path: ${{ steps.composer-cache.outputs.composer_dir }}
           key: ${{ runner.os }}-php-${{ matrix.php }}-date-${{ steps.get-date.outputs.date }}-composer-${{ hashFiles('**/composer.json') }}
 
       - name: Install Composer dependencies
diff --git a/.github/workflows/slack-notifications.yml b/.github/workflows/slack-notifications.yml
index 4c1a95c791..82dd566b43 100644
--- a/.github/workflows/slack-notifications.yml
+++ b/.github/workflows/slack-notifications.yml
@@ -114,7 +114,7 @@ jobs:
 
       - name: Store previous conclusion as an output
         id: previous-conclusion
-        run: echo "::set-output name=previous_conclusion::${{ steps.previous-attempt-result.outputs.result }}"
+        run: echo "previous_conclusion=${{ steps.previous-attempt-result.outputs.result }}" >> $GITHUB_OUTPUT
 
       - name: Get the commit message
         id: current-commit-message
@@ -138,11 +138,11 @@ jobs:
           ${{ ( github.event_name == 'workflow_dispatch' || github.event_name == 'schedule' ) && fromJson( steps.current-commit-message.outputs.result ) || github.event.head_commit.message }}
           EOF
           )
-          echo "::set-output name=commit_message_escaped::${COMMIT_MESSAGE}"
+          echo "commit_message_escaped=${COMMIT_MESSAGE}" >> $GITHUB_OUTPUT
 
       - name: Construct payload and store as an output
         id: create-payload
-        run: echo "::set-output name=payload::{\"workflow_name\":\"${{ github.workflow }}\",\"ref_name\":\"${{ env.CURRENT_BRANCH }}\",\"run_url\":\"https://github.com/WordPress/wordpress-develop/actions/runs/${{ github.run_id }}/attempts/${{ github.run_attempt }}\",\"commit_message\":\"${{ steps.commit-message.outputs.commit_message_escaped }}\"}"
+        run: echo "payload={\"workflow_name\":\"${{ github.workflow }}\",\"ref_name\":\"${{ env.CURRENT_BRANCH }}\",\"run_url\":\"https://github.com/WordPress/wordpress-develop/actions/runs/${{ github.run_id }}/attempts/${{ github.run_attempt }}\",\"commit_message\":\"${{ steps.commit-message.outputs.commit_message_escaped }}\"}" >> $GITHUB_OUTPUT
 
   # Posts notifications when a workflow fails.
   failure:
diff --git a/.github/workflows/test-coverage.yml b/.github/workflows/test-coverage.yml
index cc5eb04acd..6a471cacd4 100644
--- a/.github/workflows/test-coverage.yml
+++ b/.github/workflows/test-coverage.yml
@@ -99,18 +99,18 @@ jobs:
       # http://man7.org/linux/man-pages/man1/date.1.html
       - name: "Get last Monday's date"
         id: get-date
-        run: echo "::set-output name=date::$(/bin/date -u --date='last Mon' "+%F")"
+        run: echo "date=$(/bin/date -u --date='last Mon' "+%F")" >> $GITHUB_OUTPUT
 
       - name: Get Composer cache directory
         id: composer-cache
-        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+        run: echo "composer_dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache Composer dependencies
         uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # v3.0.11
         env:
           cache-name: cache-composer-dependencies
         with:
-          path: ${{ steps.composer-cache.outputs.dir }}
+          path: ${{ steps.composer-cache.outputs.composer_dir }}
           key: ${{ runner.os }}-php-${{ matrix.php }}-date-${{ steps.get-date.outputs.date }}-composer-${{ hashFiles('**/composer.json') }}
 
       - name: Install Composer dependencies