diff --git a/.changeset/witty-wasps-kiss.md b/.changeset/witty-wasps-kiss.md
new file mode 100644
index 0000000000..ef51ef7bfd
--- /dev/null
+++ b/.changeset/witty-wasps-kiss.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder-backend': minor
+---
+
+Update the `github:publish` action to allow passing wether to dismiss stale reviews on the protected default branch.
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.test.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.test.ts
index fc39e03cbc..dfd3297b87 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.test.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.test.ts
@@ -495,4 +495,70 @@ describe('github:repo:push', () => {
 
     expect(enableBranchProtectionOnDefaultRepoBranch).not.toHaveBeenCalled();
   });
+
+  it('should call enableBranchProtectionOnDefaultRepoBranch with the correct values of dismissStaleReviews', async () => {
+    mockOctokit.rest.repos.get.mockResolvedValue({
+      data: {
+        clone_url: 'https://github.com/clone/url.git',
+        html_url: 'https://github.com/html/url',
+      },
+    });
+
+    await action.handler(mockContext);
+
+    expect(enableBranchProtectionOnDefaultRepoBranch).toHaveBeenCalledWith({
+      owner: 'owner',
+      client: mockOctokit,
+      repoName: 'repository',
+      logger: mockContext.logger,
+      defaultBranch: 'master',
+      requireCodeOwnerReviews: false,
+      requiredStatusCheckContexts: [],
+      requireBranchesToBeUpToDate: true,
+      enforceAdmins: true,
+      dismissStaleReviews: false,
+    });
+
+    await action.handler({
+      ...mockContext,
+      input: {
+        ...mockContext.input,
+        dismissStaleReviews: true,
+      },
+    });
+
+    expect(enableBranchProtectionOnDefaultRepoBranch).toHaveBeenCalledWith({
+      owner: 'owner',
+      client: mockOctokit,
+      repoName: 'repository',
+      logger: mockContext.logger,
+      defaultBranch: 'master',
+      requireCodeOwnerReviews: false,
+      requiredStatusCheckContexts: [],
+      requireBranchesToBeUpToDate: true,
+      enforceAdmins: true,
+      dismissStaleReviews: true,
+    });
+
+    await action.handler({
+      ...mockContext,
+      input: {
+        ...mockContext.input,
+        dismissStaleReviews: false,
+      },
+    });
+
+    expect(enableBranchProtectionOnDefaultRepoBranch).toHaveBeenCalledWith({
+      owner: 'owner',
+      client: mockOctokit,
+      repoName: 'repository',
+      logger: mockContext.logger,
+      defaultBranch: 'master',
+      requireCodeOwnerReviews: false,
+      requiredStatusCheckContexts: [],
+      requireBranchesToBeUpToDate: true,
+      enforceAdmins: true,
+      dismissStaleReviews: false,
+    });
+  });
 });
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.ts
index 1694e37710..4c931e029c 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.ts
@@ -49,6 +49,7 @@ export function createGithubRepoPushAction(options: {
     gitAuthorName?: string;
     gitAuthorEmail?: string;
     requireCodeOwnerReviews?: boolean;
+    dismissStaleReviews?: boolean;
     bypassPullRequestAllowances?:
       | {
           users?: string[];
@@ -71,6 +72,7 @@ export function createGithubRepoPushAction(options: {
         properties: {
           repoUrl: inputProps.repoUrl,
           requireCodeOwnerReviews: inputProps.requireCodeOwnerReviews,
+          dismissStaleReviews: inputProps.dismissStaleReviews,
           requiredStatusCheckContexts: inputProps.requiredStatusCheckContexts,
           bypassPullRequestAllowances: inputProps.bypassPullRequestAllowances,
           requireBranchesToBeUpToDate: inputProps.requireBranchesToBeUpToDate,
@@ -102,6 +104,7 @@ export function createGithubRepoPushAction(options: {
         gitAuthorName,
         gitAuthorEmail,
         requireCodeOwnerReviews = false,
+        dismissStaleReviews = false,
         bypassPullRequestAllowances,
         requiredStatusCheckContexts = [],
         requireBranchesToBeUpToDate = true,
@@ -148,6 +151,7 @@ export function createGithubRepoPushAction(options: {
         gitCommitMessage,
         gitAuthorName,
         gitAuthorEmail,
+        dismissStaleReviews,
       );
 
       ctx.output('remoteUrl', remoteUrl);
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/helpers.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/helpers.ts
index fe29378e2e..4dc7034f18 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/helpers.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/helpers.ts
@@ -263,6 +263,7 @@ export async function initRepoPushAndProtect(
   gitCommitMessage?: string,
   gitAuthorName?: string,
   gitAuthorEmail?: string,
+  dismissStaleReviews?: boolean,
 ) {
   const gitAuthorInfo = {
     name: gitAuthorName
@@ -303,6 +304,7 @@ export async function initRepoPushAndProtect(
         requiredStatusCheckContexts,
         requireBranchesToBeUpToDate,
         enforceAdmins: protectEnforceAdmins,
+        dismissStaleReviews: dismissStaleReviews,
       });
     } catch (e) {
       assertError(e);
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/inputProperties.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/inputProperties.ts
index e832c3dbfa..6c3bebf47e 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/inputProperties.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/inputProperties.ts
@@ -38,6 +38,12 @@ const requireCodeOwnerReviews = {
     'Require an approved review in PR including files with a designated Code Owner',
   type: 'boolean',
 };
+const dismissStaleReviews = {
+  title: 'Dismiss Stale Reviews',
+  description:
+    'New reviewable commits pushed to a matching branch will dismiss pull request review approvals.',
+  type: 'boolean',
+};
 const requiredStatusCheckContexts = {
   title: 'Required Status Check Contexts',
   description:
@@ -207,6 +213,7 @@ export { bypassPullRequestAllowances };
 export { repoUrl };
 export { repoVisibility };
 export { requireCodeOwnerReviews };
+export { dismissStaleReviews };
 export { requiredStatusCheckContexts };
 export { requireBranchesToBeUpToDate };
 export { sourcePath };
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/helpers.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/helpers.ts
index 5afe51cc35..a7d29ec756 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/helpers.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/helpers.ts
@@ -193,6 +193,7 @@ type BranchProtectionOptions = {
   requireBranchesToBeUpToDate?: boolean;
   defaultBranch?: string;
   enforceAdmins?: boolean;
+  dismissStaleReviews?: boolean;
 };
 
 export const enableBranchProtectionOnDefaultRepoBranch = async ({
@@ -206,6 +207,7 @@ export const enableBranchProtectionOnDefaultRepoBranch = async ({
   requireBranchesToBeUpToDate = true,
   defaultBranch = 'master',
   enforceAdmins = true,
+  dismissStaleReviews = false,
 }: BranchProtectionOptions): Promise<void> => {
   const tryOnce = async () => {
     try {
@@ -233,6 +235,7 @@ export const enableBranchProtectionOnDefaultRepoBranch = async ({
           required_approving_review_count: 1,
           require_code_owner_reviews: requireCodeOwnerReviews,
           bypass_pull_request_allowances: bypassPullRequestAllowances,
+          dismiss_stale_reviews: dismissStaleReviews,
         },
       });
     } catch (e) {
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.test.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.test.ts
index cebc968669..6c4cd55d98 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.test.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.test.ts
@@ -922,4 +922,73 @@ describe('publish:github', () => {
       names: ['node.js'],
     });
   });
+
+  it('should call enableBranchProtectionOnDefaultRepoBranch with the correct values of dismissStaleReviews', async () => {
+    mockOctokit.rest.users.getByUsername.mockResolvedValue({
+      data: { type: 'User' },
+    });
+
+    mockOctokit.rest.repos.createForAuthenticatedUser.mockResolvedValue({
+      data: {
+        name: 'repo',
+      },
+    });
+
+    await action.handler(mockContext);
+
+    expect(enableBranchProtectionOnDefaultRepoBranch).toHaveBeenCalledWith({
+      owner: 'owner',
+      client: mockOctokit,
+      repoName: 'repo',
+      logger: mockContext.logger,
+      defaultBranch: 'master',
+      requireCodeOwnerReviews: false,
+      requiredStatusCheckContexts: [],
+      requireBranchesToBeUpToDate: true,
+      enforceAdmins: true,
+      dismissStaleReviews: false,
+    });
+
+    await action.handler({
+      ...mockContext,
+      input: {
+        ...mockContext.input,
+        dismissStaleReviews: true,
+      },
+    });
+
+    expect(enableBranchProtectionOnDefaultRepoBranch).toHaveBeenCalledWith({
+      owner: 'owner',
+      client: mockOctokit,
+      repoName: 'repo',
+      logger: mockContext.logger,
+      defaultBranch: 'master',
+      requireCodeOwnerReviews: false,
+      requiredStatusCheckContexts: [],
+      requireBranchesToBeUpToDate: true,
+      enforceAdmins: true,
+      dismissStaleReviews: true,
+    });
+
+    await action.handler({
+      ...mockContext,
+      input: {
+        ...mockContext.input,
+        dismissStaleReviews: false,
+      },
+    });
+
+    expect(enableBranchProtectionOnDefaultRepoBranch).toHaveBeenCalledWith({
+      owner: 'owner',
+      client: mockOctokit,
+      repoName: 'repo',
+      logger: mockContext.logger,
+      defaultBranch: 'master',
+      requireCodeOwnerReviews: false,
+      requiredStatusCheckContexts: [],
+      requireBranchesToBeUpToDate: true,
+      enforceAdmins: true,
+      dismissStaleReviews: false,
+    });
+  });
 });
diff --git a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.ts b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.ts
index be4cbb1dad..1d3cce8067 100644
--- a/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/github.ts
@@ -68,6 +68,7 @@ export function createPublishGithubAction(options: {
         }
       | undefined;
     requireCodeOwnerReviews?: boolean;
+    dismissStaleReviews?: boolean;
     requiredStatusCheckContexts?: string[];
     requireBranchesToBeUpToDate?: boolean;
     repoVisibility?: 'private' | 'internal' | 'public';
@@ -103,6 +104,7 @@ export function createPublishGithubAction(options: {
           access: inputProps.access,
           bypassPullRequestAllowances: inputProps.bypassPullRequestAllowances,
           requireCodeOwnerReviews: inputProps.requireCodeOwnerReviews,
+          dismissStaleReviews: inputProps.dismissStaleReviews,
           requiredStatusCheckContexts: inputProps.requiredStatusCheckContexts,
           requireBranchesToBeUpToDate: inputProps.requireBranchesToBeUpToDate,
           repoVisibility: inputProps.repoVisibility,
@@ -138,6 +140,7 @@ export function createPublishGithubAction(options: {
         homepage,
         access,
         requireCodeOwnerReviews = false,
+        dismissStaleReviews = false,
         bypassPullRequestAllowances,
         requiredStatusCheckContexts = [],
         requireBranchesToBeUpToDate = true,
@@ -213,6 +216,7 @@ export function createPublishGithubAction(options: {
         gitCommitMessage,
         gitAuthorName,
         gitAuthorEmail,
+        dismissStaleReviews,
       );
 
       ctx.output('remoteUrl', remoteUrl);