diff --git a/create-release-branch/action.yml b/create-release-branch/action.yml
index 6843f3c..f1e5bf0 100644
--- a/create-release-branch/action.yml
+++ b/create-release-branch/action.yml
@@ -3,6 +3,8 @@ name: Create release branch
 inputs:
   version:
     required: false
+  branch-suffix:
+    required: false
   live-run:
     required: true
   dry-run-history-size:
@@ -14,7 +16,6 @@ inputs:
   github-token:
     required: true
 
-
 outputs:
   version:
     description: Release number
diff --git a/dist/create-release-branch-main.mjs b/dist/create-release-branch-main.mjs
index 67ac038..02a995b 100644
--- a/dist/create-release-branch-main.mjs
+++ b/dist/create-release-branch-main.mjs
@@ -20002,6 +20002,7 @@ function cloneFromGitHub(repo, options) {
 var DEFAULT_DRY_RUN_HISTORY_SIZE = 5;
 function setup() {
   const version = core2.getInput("version");
+  const branchSuffix = core2.getInput("branch-suffix");
   const liveRun = core2.getBooleanInput("live-run", { required: true });
   const dryRunHistorySize = core2.getInput("dry-run-history-size", { required: false });
   const repo = core2.getInput("repo", { required: true });
@@ -20009,6 +20010,7 @@ function setup() {
   const githubToken = core2.getInput("github-token", { required: true });
   return {
     version: version === "" ? void 0 : version,
+    branchSuffix: branchSuffix === "" ? void 0 : branchSuffix,
     liveRun,
     repo,
     branch: branch === "" ? void 0 : branch,
@@ -20025,10 +20027,10 @@ async function main(input) {
     core2.setOutput("version", version);
     let branch;
     if (input.liveRun) {
-      branch = `release/${version}`;
+      branch = input.branchSuffix != void 0 ? `release/${version}${input.branchSuffix}` : `release/${version}`;
       core2.setOutput("branch", branch);
     } else {
-      branch = `release/dry-run/${version}`;
+      branch = input.branchSuffix != void 0 ? `release/dry-run/${version}${input.branchSuffix}` : `release/dry-run/${version}`;
       core2.setOutput("branch", branch);
       const branchPattern = "refs/remotes/origin/release/dry-run";
       const branchesRaw = sh(`git for-each-ref --format='%(refname:strip=3)' --sort=authordate ${branchPattern}`, {
diff --git a/src/create-release-branch.ts b/src/create-release-branch.ts
index d184096..a91dfae 100644
--- a/src/create-release-branch.ts
+++ b/src/create-release-branch.ts
@@ -9,8 +9,9 @@ const DEFAULT_DRY_RUN_HISTORY_SIZE = 5;
 
 export type Input = {
   version?: string;
+  branchSuffix?: string;
   liveRun: boolean;
-  dryRunHistorySize?: number;
+  dryRunHistorySize: number;
   repo: string;
   branch?: string;
   githubToken: string;
@@ -18,6 +19,7 @@ export type Input = {
 
 export function setup(): Input {
   const version = core.getInput("version");
+  const branchSuffix = core.getInput("branch-suffix");
   const liveRun = core.getBooleanInput("live-run", { required: true });
   const dryRunHistorySize = core.getInput("dry-run-history-size", { required: false });
   const repo = core.getInput("repo", { required: true });
@@ -26,6 +28,7 @@ export function setup(): Input {
 
   return {
     version: version === "" ? undefined : version,
+    branchSuffix: branchSuffix === "" ? undefined : branchSuffix,
     liveRun,
     repo,
     branch: branch === "" ? undefined : branch,
@@ -46,10 +49,13 @@ export async function main(input: Input) {
 
     let branch: string;
     if (input.liveRun) {
-      branch = `release/${version}`;
+      branch = input.branchSuffix != undefined ? `release/${version}${input.branchSuffix}` : `release/${version}`;
       core.setOutput("branch", branch);
     } else {
-      branch = `release/dry-run/${version}`;
+      branch =
+        input.branchSuffix != undefined
+          ? `release/dry-run/${version}${input.branchSuffix}`
+          : `release/dry-run/${version}`;
       core.setOutput("branch", branch);
 
       const branchPattern = "refs/remotes/origin/release/dry-run";