diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 57c3273..c193515 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,8 +40,8 @@ jobs:
           tool_versions: ${{ matrix.tool_versions }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - run: rtx --version
-      - run: rtx exec -- node --version
+      - run: mise --version
+      - run: mise exec -- node --version
       - run: which node
       - run: node -v
   specific_version:
@@ -51,9 +51,9 @@ jobs:
       - uses: ./
         with:
           cache_save: ${{ github.ref_name == 'main' }}
-          cache_key_prefix: rtx-v1
+          cache_key_prefix: mise-v1
           version: 2023.12.23
-          rtx_toml: |
+          mise_toml: |
             [tools]
             bun = "1"
       - run: which bun
diff --git a/.rtx.toml b/.mise.toml
similarity index 100%
rename from .rtx.toml
rename to .mise.toml
diff --git a/README.md b/README.md
index 72e522d..96174df 100644
--- a/README.md
+++ b/README.md
@@ -14,17 +14,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: jdx/rtx-action@v1
+      - uses: jdx/mise-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
+          version: 2023.12.0 # [default: latest] mise version to install
+          install: true # [default: true] run `mise install`
+          cache: true # [default: true] cache mise using GitHub's cache
           # automatically write this .tool-versions file
           experimental: true # [default: false] enable experimental features
           tool_versions: |
             shellcheck 0.9.0
-          # or, if you prefer .rtx.toml format:
-          rtx_toml: |
+          # or, if you prefer .mise.toml format:
+          mise_toml: |
             [tools]
             shellcheck = "0.9.0"
       - run: shellcheck scripts/*.sh
@@ -32,19 +32,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: jdx/rtx-action@v1
+      - uses: jdx/mise-action@v1
       # .tool-versions will be read from repo root
       - run: node ./my_app.js
 ```
 
-Alternatively, rtx is easy to use in GitHub Actions even without this:
+Alternatively, mise is easy to use in GitHub Actions even without this:
 
 ```yaml
 jobs:
   build:
     steps:
     - run: |
-        curl https://rtx.jdx.dev/install.sh | sh
-        echo "$HOME/.local/share/rtx/bin" >> $GITHUB_PATH
-        echo "$HOME/.local/share/rtx/shims" >> $GITHUB_PATH
+        curl https://mise.jdx.dev/install.sh | sh
+        echo "$HOME/.local/share/mise/bin" >> $GITHUB_PATH
+        echo "$HOME/.local/share/mise/shims" >> $GITHUB_PATH
 ```
diff --git a/action.yml b/action.yml
index d30820a..1060df6 100644
--- a/action.yml
+++ b/action.yml
@@ -1,5 +1,5 @@
-name: rtx action
-description: Actions for working with rtx runtime manager
+name: mise action
+description: Actions for working with mise runtime manager
 author: Jeff Dickey <@jdx>
 branding:
   icon: arrow-down-circle
@@ -7,27 +7,27 @@ branding:
 inputs:
   version:
     required: false
-    description: The version of rtx to use. If not specified, will use the latest release.
-  rtx_dir:
+    description: The version of mise to use. If not specified, will use the latest release.
+  mise_dir:
     required: false
     description: |
-      The directory that rtx will be installed to, defaults to $HOME/.local/share/rtx
-      Or $XDG_DATA_HOME/rtx if $XDG_DATA_HOME is set.
-      Or $RTX_DATA_DIR if $RTX_DATA_DIR is set.
+      The directory that mise will be installed to, defaults to $HOME/.local/share/mise
+      Or $XDG_DATA_HOME/mise if $XDG_DATA_HOME is set.
+      Or $MISE_DATA_DIR if $MISE_DATA_DIR is set.
   tool_versions:
     required: false
     description: If present, this value will be written to the .tool-versions file
-  rtx_toml:
+  mise_toml:
     required: false
-    description: If present, this value will be written to the .rtx.toml file
+    description: If present, this value will be written to the .mise.toml file
   install:
     required: false
     default: "true"
-    description: if false, will not run `rtx install`
+    description: if false, will not run `mise install`
   install_dir:
     required: false
     default: "."
-    description: The directory that `rtx install` will be executed in
+    description: The directory that `mise install` will be executed in
   cache:
     required: false
     default: "true"
@@ -38,7 +38,7 @@ inputs:
     description: if false, action will not write to cache
   cache_key_prefix:
     required: false
-    default: "rtx-v0"
+    default: "mise-v0"
     description: The prefix key to use for the cache, change this to invalidate the cache
   experimental:
     required: false
diff --git a/dist/index.js b/dist/index.js
index a8842a6..bcece37 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -82932,17 +82932,17 @@ const utils_1 = __nccwpck_require__(1314);
 async function run() {
     try {
         await setToolVersions();
-        await setRtxToml();
+        await setMiseToml();
         if (core.getBooleanInput('cache')) {
-            await restoreRTXCache();
+            await restoreMiseCache();
         }
         else {
             core.setOutput('cache-hit', false);
         }
         const version = core.getInput('version');
-        await setupRTX(version);
+        await setupMise(version);
         await setEnvVars();
-        await testRTX();
+        await testMise();
         if (core.getBooleanInput('install')) {
             await rtxInstall();
         }
@@ -82962,46 +82962,46 @@ async function setEnvVars() {
             core.exportVariable(k, v);
         }
     };
-    set('RTX_TRUSTED_CONFIG_PATHS', process.cwd());
-    set('RTX_YES', '1');
-    set('RTX_EXPERIMENTAL', getExperimental() ? '1' : '0');
-    const shimsDir = path.join((0, utils_1.rtxDir)(), 'shims');
+    set('MISE_TRUSTED_CONFIG_PATHS', process.cwd());
+    set('MISE_YES', '1');
+    set('MISE_EXPERIMENTAL', getExperimental() ? '1' : '0');
+    const shimsDir = path.join((0, utils_1.miseDir)(), 'shims');
     core.info(`Adding ${shimsDir} to PATH`);
     core.addPath(shimsDir);
 }
-async function restoreRTXCache() {
-    core.startGroup('Restoring rtx cache');
-    const cachePath = (0, utils_1.rtxDir)();
-    const fileHash = await glob.hashFiles(`**/.tool-versions\n**/.rtx.toml`);
-    const prefix = core.getInput('cache_key_prefix') || 'rtx-v0';
+async function restoreMiseCache() {
+    core.startGroup('Restoring mise cache');
+    const cachePath = (0, utils_1.miseDir)();
+    const fileHash = await glob.hashFiles(`**/.tool-versions\n**/.mise.toml`);
+    const prefix = core.getInput('cache_key_prefix') || 'mise-v0';
     const primaryKey = `${prefix}-${getOS()}-${os.arch()}-${fileHash}`;
     core.saveState('CACHE', core.getBooleanInput('cache_save') ?? true);
     core.saveState('PRIMARY_KEY', primaryKey);
-    core.saveState('RTX_DIR', cachePath);
+    core.saveState('MISE_DIR', cachePath);
     const cacheKey = await cache.restoreCache([cachePath], primaryKey);
     core.setOutput('cache-hit', Boolean(cacheKey));
     if (!cacheKey) {
-        core.info(`rtx cache not found for ${primaryKey}`);
+        core.info(`mise cache not found for ${primaryKey}`);
         return;
     }
     core.saveState('CACHE_KEY', cacheKey);
-    core.info(`rtx cache restored from key: ${cacheKey}`);
+    core.info(`mise cache restored from key: ${cacheKey}`);
 }
-async function setupRTX(version) {
-    core.startGroup(version ? `Setup rtx@${version}` : 'Setup rtx');
-    const rtxBinDir = path.join((0, utils_1.rtxDir)(), 'bin');
+async function setupMise(version) {
+    core.startGroup(version ? `Setup mise@${version}` : 'Setup mise');
+    const miseBinDir = path.join((0, utils_1.miseDir)(), 'bin');
     const url = version
-        ? `https://rtx.jdx.dev/v${version}/rtx-v${version}-${getOS()}-${os.arch()}`
-        : `https://rtx.jdx.dev/rtx-latest-${getOS()}-${os.arch()}`;
-    await fs.promises.mkdir(rtxBinDir, { recursive: true });
+        ? `https://mise.jdx.dev/v${version}/mise-v${version}-${getOS()}-${os.arch()}`
+        : `https://mise.jdx.dev/mise-latest-${getOS()}-${os.arch()}`;
+    await fs.promises.mkdir(miseBinDir, { recursive: true });
     await exec.exec('curl', [
         '-fsSL',
         url,
         '--output',
-        path.join(rtxBinDir, 'rtx')
+        path.join(miseBinDir, 'mise')
     ]);
-    await exec.exec('chmod', ['+x', path.join(rtxBinDir, 'rtx')]);
-    core.addPath(rtxBinDir);
+    await exec.exec('chmod', ['+x', path.join(miseBinDir, 'mise')]);
+    core.addPath(miseBinDir);
 }
 function getExperimental() {
     const experimentalString = core.getInput('experimental');
@@ -83013,10 +83013,10 @@ async function setToolVersions() {
         await writeFile('.tool-versions', toolVersions);
     }
 }
-async function setRtxToml() {
-    const toml = core.getInput('rtx_toml');
+async function setMiseToml() {
+    const toml = core.getInput('mise_toml');
     if (toml) {
-        await writeFile('.rtx.toml', toml);
+        await writeFile('.mise.toml', toml);
     }
 }
 function getOS() {
@@ -83027,11 +83027,11 @@ function getOS() {
             return process.platform;
     }
 }
-const testRTX = async () => rtx(['--version']);
-const rtxInstall = async () => rtx(['install']);
-const rtx = async (args) => core.group(`Running rtx ${args.join(' ')}`, async () => {
+const testMise = async () => mise(['--version']);
+const rtxInstall = async () => mise(['install']);
+const mise = async (args) => core.group(`Running mise ${args.join(' ')}`, async () => {
     const cwd = core.getInput('install_dir') || process.cwd();
-    return exec.exec('rtx', args, { cwd });
+    return exec.exec('mise', args, { cwd });
 });
 const writeFile = async (p, body) => core.group(`Writing ${p}`, async () => {
     core.info(`Body:\n${body}`);
@@ -83071,22 +83071,22 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.rtxDir = void 0;
+exports.miseDir = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const os = __importStar(__nccwpck_require__(2037));
 const path = __importStar(__nccwpck_require__(1017));
-function rtxDir() {
-    const dir = core.getState('RTX_DIR');
+function miseDir() {
+    const dir = core.getState('MISE_DIR');
     if (dir)
         return dir;
-    const { RTX_DATA_DIR, XDG_DATA_HOME } = process.env;
-    if (RTX_DATA_DIR)
-        return RTX_DATA_DIR;
+    const { MISE_DATA_DIR, XDG_DATA_HOME } = process.env;
+    if (MISE_DATA_DIR)
+        return MISE_DATA_DIR;
     if (XDG_DATA_HOME)
-        return path.join(XDG_DATA_HOME, 'rtx');
-    return path.join(os.homedir(), '.local/share/rtx');
+        return path.join(XDG_DATA_HOME, 'mise');
+    return path.join(os.homedir(), '.local/share/mise');
 }
-exports.rtxDir = rtxDir;
+exports.miseDir = miseDir;
 
 
 /***/ }),
diff --git a/package-lock.json b/package-lock.json
index 44b506d..7b09b08 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
-  "name": "rtx-action",
+  "name": "mise-action",
   "version": "1.3.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "rtx-action",
+      "name": "mise-action",
       "version": "1.3.2",
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 2ff3423..01a5fc4 100644
--- a/package.json
+++ b/package.json
@@ -1,16 +1,16 @@
 {
-  "name": "rtx-action",
-  "description": "rtx tool setup action",
+  "name": "mise-action",
+  "description": "mise tool setup action",
   "version": "1.3.2",
   "author": "jdx",
   "private": true,
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/jdx/rtx-action.git"
+    "url": "git+https://github.com/jdx/mise-action.git"
   },
   "keywords": [
     "actions",
-    "rtx",
+    "mise",
     "setup"
   ],
   "exports": {
diff --git a/src/cache-save.ts b/src/cache-save.ts
index 5758273..4452502 100644
--- a/src/cache-save.ts
+++ b/src/cache-save.ts
@@ -1,18 +1,18 @@
 import * as cache from '@actions/cache'
 import * as core from '@actions/core'
 import * as fs from 'fs'
-import { rtxDir } from './utils'
+import { miseDir } from './utils'
 
 export async function run(): Promise<void> {
   try {
-    await cacheRTXTools()
+    await cacheMiseTools()
   } catch (error) {
     if (error instanceof Error) core.setFailed(error.message)
     else throw error
   }
 }
 
-async function cacheRTXTools(): Promise<void> {
+async function cacheMiseTools(): Promise<void> {
   if (!core.getState('CACHE')) {
     core.info('Skipping saving cache')
     return
@@ -20,7 +20,7 @@ async function cacheRTXTools(): Promise<void> {
 
   const state = core.getState('CACHE_KEY')
   const primaryKey = core.getState('PRIMARY_KEY')
-  const cachePath = rtxDir()
+  const cachePath = miseDir()
 
   if (!fs.existsSync(cachePath)) {
     throw new Error(`Cache folder path does not exist on disk: ${cachePath}`)
diff --git a/src/index.ts b/src/index.ts
index 3b74654..02338d0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,23 +5,23 @@ import * as glob from '@actions/glob'
 import * as fs from 'fs'
 import * as os from 'os'
 import * as path from 'path'
-import { rtxDir } from './utils'
+import { miseDir } from './utils'
 
 async function run(): Promise<void> {
   try {
     await setToolVersions()
-    await setRtxToml()
+    await setMiseToml()
 
     if (core.getBooleanInput('cache')) {
-      await restoreRTXCache()
+      await restoreMiseCache()
     } else {
       core.setOutput('cache-hit', false)
     }
 
     const version = core.getInput('version')
-    await setupRTX(version)
+    await setupMise(version)
     await setEnvVars()
-    await testRTX()
+    await testMise()
     if (core.getBooleanInput('install')) {
       await rtxInstall()
     }
@@ -39,53 +39,53 @@ async function setEnvVars(): Promise<void> {
       core.exportVariable(k, v)
     }
   }
-  set('RTX_TRUSTED_CONFIG_PATHS', process.cwd())
-  set('RTX_YES', '1')
-  set('RTX_EXPERIMENTAL', getExperimental() ? '1' : '0')
+  set('MISE_TRUSTED_CONFIG_PATHS', process.cwd())
+  set('MISE_YES', '1')
+  set('MISE_EXPERIMENTAL', getExperimental() ? '1' : '0')
 
-  const shimsDir = path.join(rtxDir(), 'shims')
+  const shimsDir = path.join(miseDir(), 'shims')
   core.info(`Adding ${shimsDir} to PATH`)
   core.addPath(shimsDir)
 }
 
-async function restoreRTXCache(): Promise<void> {
-  core.startGroup('Restoring rtx cache')
-  const cachePath = rtxDir()
-  const fileHash = await glob.hashFiles(`**/.tool-versions\n**/.rtx.toml`)
-  const prefix = core.getInput('cache_key_prefix') || 'rtx-v0'
+async function restoreMiseCache(): Promise<void> {
+  core.startGroup('Restoring mise cache')
+  const cachePath = miseDir()
+  const fileHash = await glob.hashFiles(`**/.tool-versions\n**/.mise.toml`)
+  const prefix = core.getInput('cache_key_prefix') || 'mise-v0'
   const primaryKey = `${prefix}-${getOS()}-${os.arch()}-${fileHash}`
 
   core.saveState('CACHE', core.getBooleanInput('cache_save') ?? true)
   core.saveState('PRIMARY_KEY', primaryKey)
-  core.saveState('RTX_DIR', cachePath)
+  core.saveState('MISE_DIR', cachePath)
 
   const cacheKey = await cache.restoreCache([cachePath], primaryKey)
   core.setOutput('cache-hit', Boolean(cacheKey))
 
   if (!cacheKey) {
-    core.info(`rtx cache not found for ${primaryKey}`)
+    core.info(`mise cache not found for ${primaryKey}`)
     return
   }
 
   core.saveState('CACHE_KEY', cacheKey)
-  core.info(`rtx cache restored from key: ${cacheKey}`)
+  core.info(`mise cache restored from key: ${cacheKey}`)
 }
 
-async function setupRTX(version: string | undefined): Promise<void> {
-  core.startGroup(version ? `Setup rtx@${version}` : 'Setup rtx')
-  const rtxBinDir = path.join(rtxDir(), 'bin')
+async function setupMise(version: string | undefined): Promise<void> {
+  core.startGroup(version ? `Setup mise@${version}` : 'Setup mise')
+  const miseBinDir = path.join(miseDir(), 'bin')
   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 })
+    ? `https://mise.jdx.dev/v${version}/mise-v${version}-${getOS()}-${os.arch()}`
+    : `https://mise.jdx.dev/mise-latest-${getOS()}-${os.arch()}`
+  await fs.promises.mkdir(miseBinDir, { recursive: true })
   await exec.exec('curl', [
     '-fsSL',
     url,
     '--output',
-    path.join(rtxBinDir, 'rtx')
+    path.join(miseBinDir, 'mise')
   ])
-  await exec.exec('chmod', ['+x', path.join(rtxBinDir, 'rtx')])
-  core.addPath(rtxBinDir)
+  await exec.exec('chmod', ['+x', path.join(miseBinDir, 'mise')])
+  core.addPath(miseBinDir)
 }
 
 function getExperimental(): boolean {
@@ -100,10 +100,10 @@ async function setToolVersions(): Promise<void> {
   }
 }
 
-async function setRtxToml(): Promise<void> {
-  const toml = core.getInput('rtx_toml')
+async function setMiseToml(): Promise<void> {
+  const toml = core.getInput('mise_toml')
   if (toml) {
-    await writeFile('.rtx.toml', toml)
+    await writeFile('.mise.toml', toml)
   }
 }
 
@@ -116,12 +116,12 @@ function getOS(): string {
   }
 }
 
-const testRTX = async (): Promise<number> => rtx(['--version'])
-const rtxInstall = async (): Promise<number> => rtx(['install'])
-const rtx = async (args: string[]): Promise<number> =>
-  core.group(`Running rtx ${args.join(' ')}`, async () => {
+const testMise = async (): Promise<number> => mise(['--version'])
+const rtxInstall = async (): Promise<number> => mise(['install'])
+const mise = async (args: string[]): Promise<number> =>
+  core.group(`Running mise ${args.join(' ')}`, async () => {
     const cwd = core.getInput('install_dir') || process.cwd()
-    return exec.exec('rtx', args, { cwd })
+    return exec.exec('mise', args, { cwd })
   })
 
 const writeFile = async (p: fs.PathLike, body: string): Promise<void> =>
diff --git a/src/utils.ts b/src/utils.ts
index f690da2..6fe5b3b 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -2,13 +2,13 @@ import * as core from '@actions/core'
 import * as os from 'os'
 import * as path from 'path'
 
-export function rtxDir(): string {
-  const dir = core.getState('RTX_DIR')
+export function miseDir(): string {
+  const dir = core.getState('MISE_DIR')
   if (dir) return dir
 
-  const { RTX_DATA_DIR, XDG_DATA_HOME } = process.env
-  if (RTX_DATA_DIR) return RTX_DATA_DIR
-  if (XDG_DATA_HOME) return path.join(XDG_DATA_HOME, 'rtx')
+  const { MISE_DATA_DIR, XDG_DATA_HOME } = process.env
+  if (MISE_DATA_DIR) return MISE_DATA_DIR
+  if (XDG_DATA_HOME) return path.join(XDG_DATA_HOME, 'mise')
 
-  return path.join(os.homedir(), '.local/share/rtx')
+  return path.join(os.homedir(), '.local/share/mise')
 }