diff --git a/.github/workflows/auto-publish.yml b/.github/workflows/auto-publish.yml
index b8d59db..e977622 100644
--- a/.github/workflows/auto-publish.yml
+++ b/.github/workflows/auto-publish.yml
@@ -19,20 +19,28 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+          cache: 'pip'
+      - run: pip install bikeshed
+
+      - name: Install Poetry
+        uses: abatilo/actions-poetry@v3
 
-      - name: Set up Python
-        uses: actions/setup-python@v2
+      - name: Setup a local virtual environment
+        run: |
+          poetry config virtualenvs.create true --local
+          poetry config virtualenvs.in-project true --local
+      - uses: actions/cache@v3
+        name: Define a cache for the virtual environment based on the dependencies lock file
         with:
-          python-version: 3.9
+          path: ./.venv
+          key: venv-${{ hashFiles('poetry.lock') }}
 
-      - name: Install dependencies
+      - name: Install Poetry dependencies
         run: |
-          curl -sSL https://install.python-poetry.org | python3 -
-          
-          pip install bikeshed
-            
           cd conformance
           poetry install
 
@@ -42,7 +50,7 @@ jobs:
           poetry run generate-report
 
       - name: Set up Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: 20
 
diff --git a/.github/workflows/check-pr.yml b/.github/workflows/check-pr.yml
index 1644c8d..2262dce 100644
--- a/.github/workflows/check-pr.yml
+++ b/.github/workflows/check-pr.yml
@@ -8,19 +8,27 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v2
-
-      - name: Set up Python
-        uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.11
+          cache: 'pip'
+      - run: pip install bikeshed
 
       - name: Install Poetry
+        uses: abatilo/actions-poetry@v3
+
+      - name: Setup a local virtual environment
         run: |
-          curl -sSL https://install.python-poetry.org | python3 -
+          poetry config virtualenvs.create true --local
+          poetry config virtualenvs.in-project true --local
+      - uses: actions/cache@v3
+        name: Define a cache for the virtual environment based on the dependencies lock file
+        with:
+          path: ./.venv
+          key: venv-${{ hashFiles('poetry.lock') }}
 
-      - name: Install dependencies
+      - name: Install Poetry dependencies
         run: |
           cd conformance
           poetry install
@@ -28,11 +36,10 @@ jobs:
       - name: Generate conformance report
         run: |
           cd conformance
-          pip install bikeshed
           poetry run generate-report
 
       - name: Set up Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: 20
 
diff --git a/index.bs b/index.bs
index 964fc4b..b544d74 100644
--- a/index.bs
+++ b/index.bs
@@ -3,7 +3,9 @@ Title: AV1 Codec ISO Media File Format Binding
 Status: WGD
 URL: https://aomediacodec.github.io/av1-isobmff/
 Shortname: av1-isobmff
-Editor: Cyril Concolato, Netflix, cconcolato@netflix.com
+Editor: Cyril Concolato, Netflix
+Editor: Dimitri Podborski, Apple
+Editor: Wan-Teh Chang, Google
 Abstract: This document specifies the storage format for [[!AV1]] bitstreams in [[!ISOBMFF]] tracks as well as in [[!CMAF]] files.
 Date: 2023-12-11
 Repository: AOMediaCodec/av1-isobmff