diff --git a/action.yml b/action.yml
index b60e5860..f3c505bd 100644
--- a/action.yml
+++ b/action.yml
@@ -8,6 +8,10 @@ inputs:
   workflow_id:
     description: 'Optional - A single Workflow ID or a comma separated list of IDs'
     required: false
+  ignore_sha:
+    description: 'Optional - Allow canceling other workflows with the same SHA. Useful for the `pull_request.closed` event.'
+    required: false
+    default: false
   access_token:
     description: 'Your GitHub Access Token, defaults to: {{ github.token }}'
     default: '${{ github.token }}'
diff --git a/dist/index.js b/dist/index.js
index 14693238..bb8a82ba 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -5859,6 +5859,7 @@ async function main() {
     console.log({ eventName, sha, headSha, branch, owner, repo, GITHUB_RUN_ID });
     const token = core.getInput('access_token', { required: true });
     const workflow_id = core.getInput('workflow_id', { required: false });
+    const ignore_sha = core.getInput('ignore_sha', { required: false }) === 'true';
     console.log(`Found token: ${token ? 'yes' : 'no'}`);
     const workflow_ids = [];
     const octokit = github.getOctokit(token);
@@ -5885,7 +5886,9 @@ async function main() {
                 branch,
             });
             console.log(`Found ${data.total_count} runs total.`);
-            const runningWorkflows = data.workflow_runs.filter(run => run.head_branch === branch && run.head_sha !== headSha && run.status !== 'completed' &&
+            const runningWorkflows = data.workflow_runs.filter(run => run.head_branch === branch &&
+                (ignore_sha || run.head_sha !== headSha) &&
+                run.status !== 'completed' &&
                 new Date(run.created_at) < new Date(current_run.created_at));
             console.log(`Found ${runningWorkflows.length} runs in progress.`);
             for (const { id, head_sha, status } of runningWorkflows) {
diff --git a/src/index.ts b/src/index.ts
index e7d9b8ee..b3f5740e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -23,6 +23,7 @@ async function main() {
   console.log({ eventName, sha, headSha, branch, owner, repo, GITHUB_RUN_ID });
   const token = core.getInput('access_token', { required: true });
   const workflow_id = core.getInput('workflow_id', { required: false });
+  const ignore_sha = core.getInput('ignore_sha', { required: false }) === 'true';
   console.log(`Found token: ${token ? 'yes' : 'no'}`);
   const workflow_ids: string[] = [];
   const octokit = github.getOctokit(token);
@@ -55,9 +56,11 @@ async function main() {
         branch,
       });
       console.log(`Found ${data.total_count} runs total.`);
-      const runningWorkflows = data.workflow_runs.filter(
-        run => run.head_branch === branch && run.head_sha !== headSha && run.status !== 'completed' &&
-            new Date(run.created_at) < new Date(current_run.created_at)
+      const runningWorkflows = data.workflow_runs.filter(run =>
+        run.head_branch === branch && 
+        (ignore_sha || run.head_sha !== headSha) &&
+        run.status !== 'completed' &&
+        new Date(run.created_at) < new Date(current_run.created_at)
       );
       console.log(`Found ${runningWorkflows.length} runs in progress.`);
       for (const {id, head_sha, status} of runningWorkflows) {