diff --git a/dist/index.js b/dist/index.js
index 6a0ff70..98db25f 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1321,7 +1321,7 @@ class GitHubHelper {
                 .then(() => true, () => false);
             if (branchExists) {
                 core.info(`Branch ${branch} exists; Updating ref`);
-                yield this.octokit.rest.git.updateRef(Object.assign(Object.assign({}, repository), { sha: newHead, ref: `heads/${branch}` }));
+                yield this.octokit.rest.git.updateRef(Object.assign(Object.assign({}, repository), { sha: newHead, ref: `heads/${branch}`, force: true }));
             }
             else {
                 core.info(`Branch ${branch} does not exist; Creating ref`);
diff --git a/src/github-helper.ts b/src/github-helper.ts
index 7632fc2..5cb17ed 100644
--- a/src/github-helper.ts
+++ b/src/github-helper.ts
@@ -278,7 +278,8 @@ export class GitHubHelper {
       await this.octokit.rest.git.updateRef({
         ...repository,
         sha: newHead,
-        ref: `heads/${branch}`
+        ref: `heads/${branch}`,
+        force: true
       })
     } else {
       core.info(`Branch ${branch} does not exist; Creating ref`)