diff --git a/dist/index.js b/dist/index.js
index 974c09b..55d2d3b 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -37976,8 +37976,8 @@ function findSuccessfulCommit(workflow_id, run_id, owner, repo, branch, lastSucc
             .request(`GET /repos/${owner}/${repo}/actions/workflows/${workflow_id}/runs`, {
             owner,
             repo,
-            // on non-push workflow runs we do not have branch property
-            branch: lastSuccessfulEvent !== "push" ? undefined : branch,
+            // on some workflow runs we do not have branch property
+            branch: lastSuccessfulEvent === "push" || lastSuccessfulEvent === "workflow_dispatch" ? branch : undefined,
             workflow_id,
             event: lastSuccessfulEvent,
             status: "success",
diff --git a/find-successful-workflow.ts b/find-successful-workflow.ts
index 788cbcc..a0e1ee1 100644
--- a/find-successful-workflow.ts
+++ b/find-successful-workflow.ts
@@ -172,8 +172,8 @@ async function findSuccessfulCommit(
       {
         owner,
         repo,
-        // on non-push workflow runs we do not have branch property
-        branch: lastSuccessfulEvent !== "push" ? undefined : branch,
+        // on some workflow runs we do not have branch property
+        branch: lastSuccessfulEvent === "push" || lastSuccessfulEvent === "workflow_dispatch" ? branch : undefined,
         workflow_id,
         event: lastSuccessfulEvent,
         status: "success",