diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 519e612..3bdc961 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,10 @@
 name: Build SMPTE document
 
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  release:
+    types: [published]
 
 env:
   AWS_REGION: us-east-1
@@ -11,7 +15,12 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
-    if: (github.event_name == 'push' && github.ref == 'refs/heads/main') || github.event_name == 'pull_request'
+    if: >
+      github.repository_owner	== 'SMPTE' && (
+      (github.event_name == 'push' && github.ref == 'refs/heads/main')
+      || github.event_name == 'pull_request'
+      || github.event_name == 'release'
+      )
     # These permissions are needed to interact with GitHub's OIDC Token endpoint.
     permissions:
       id-token: write
@@ -24,14 +33,13 @@ jobs:
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
-          ref: ${{ github.event.pull_request.head.sha }}
           submodules: true
 
       - name: Set repository name
         run: echo "REPOSITORY_NAME=${GITHUB_REPOSITORY#*/}" >> $GITHUB_ENV
 
       - name: Check out all branches with the exception of the current branch
-        run: CUR_BRANCH=$(git rev-parse --abbrev-ref HEAD); for i in `git branch -a | grep remote | grep -v HEAD | grep -v ${CUR_BRANCH}`; do git branch --track ${i#remotes/origin/} $i; done
+        run: CUR_BRANCH=$(git rev-parse --abbrev-ref HEAD); for i in `git branch -a | grep remote | grep -v "remotes/pull" | grep -v HEAD | grep -v ${CUR_BRANCH}`; do git branch --track ${i#remotes/origin/} $i; done
 
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@v1-node16