diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3ddb175..6548227 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,3 +40,10 @@ jobs:
       - run: rtx exec -- node --version
       - run: which node
       - run: node -v
+  specific_version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./
+        with:
+          version: 2023.12.23
diff --git a/README.md b/README.md
index ad5290a..830b8eb 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: jdx/rtx-action@v1
         with:
+          version: 2023.12.0 # [default: latest] rtx version to install
+          install: true # [default: true] run `rtx install`
+          cache: true # [default: true] cache rtx using GitHub's cache
           tool_versions: |
             shellcheck 0.9.0
       - run: shellcheck scripts/*.sh
diff --git a/action.yml b/action.yml
index 8d032bc..8d492ac 100644
--- a/action.yml
+++ b/action.yml
@@ -5,6 +5,9 @@ branding:
   icon: arrow-down-circle
   color: purple
 inputs:
+  version:
+    required: false
+    description: 'The version of rtx to use. If not specified, will use the latest release.'
   tool_versions:
     required: false
     description: If present, this value will be written to the .tool-versions file
diff --git a/dist/index.js b/dist/index.js
index b90f4d0..d6c5139 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -82940,7 +82940,8 @@ async function run() {
         core.saveState('CACHE', true);
         core.setOutput('cache-hit', false);
     }
-    await setupRTX();
+    const version = core.getInput('version');
+    await setupRTX(version);
     await setEnvVars();
     await exec.exec('rtx', ['--version']);
     const install = core.getBooleanInput('install', { required: false });
@@ -82972,9 +82973,11 @@ async function restoreRTXCache() {
     core.saveState('CACHE_KEY', cacheKey);
     core.info(`rtx cache restored from key: ${cacheKey}`);
 }
-async function setupRTX() {
+async function setupRTX(version) {
     const rtxBinDir = path.join((0, utils_1.rtxDir)(), 'bin');
-    const url = `https://rtx.jdx.dev/rtx-latest-${getOS()}-${os.arch()}`;
+    const url = version
+        ? `https://rtx.jdx.dev/v${version}/rtx-v${version}-${getOS()}-${os.arch()}`
+        : `https://rtx.jdx.dev/rtx-latest-${getOS()}-${os.arch()}`;
     await fs.promises.mkdir(rtxBinDir, { recursive: true });
     await exec.exec('curl', [url, '--output', path.join(rtxBinDir, 'rtx')]);
     await exec.exec('chmod', ['+x', path.join(rtxBinDir, 'rtx')]);
diff --git a/src/main.ts b/src/main.ts
index d5a6609..3cd7c97 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -18,7 +18,8 @@ async function run(): Promise<void> {
     core.setOutput('cache-hit', false)
   }
 
-  await setupRTX()
+  const version = core.getInput('version')
+  await setupRTX(version)
   await setEnvVars()
   await exec.exec('rtx', ['--version'])
   const install = core.getBooleanInput('install', { required: false })
@@ -59,9 +60,11 @@ async function restoreRTXCache(): Promise<void> {
   core.info(`rtx cache restored from key: ${cacheKey}`)
 }
 
-async function setupRTX(): Promise<void> {
+async function setupRTX(version: string | undefined): Promise<void> {
   const rtxBinDir = path.join(rtxDir(), 'bin')
-  const url = `https://rtx.jdx.dev/rtx-latest-${getOS()}-${os.arch()}`
+  const url = version
+    ? `https://rtx.jdx.dev/v${version}/rtx-v${version}-${getOS()}-${os.arch()}`
+    : `https://rtx.jdx.dev/rtx-latest-${getOS()}-${os.arch()}`
   await fs.promises.mkdir(rtxBinDir, { recursive: true })
   await exec.exec('curl', [url, '--output', path.join(rtxBinDir, 'rtx')])
   await exec.exec('chmod', ['+x', path.join(rtxBinDir, 'rtx')])