diff --git a/action.yml b/action.yml
index a360271..baecc03 100644
--- a/action.yml
+++ b/action.yml
@@ -17,6 +17,8 @@ inputs:
     description: The git ref to build. This will usually be a sha, but can be a branch or anything supported by git checkout.
   token:
     description: Pass `github.token` if this is a private repository.
+  workdir:
+    description: Use this if your module is not in the repo root. If you pass this, the `meta-path` will be relative to this workdir, not to repo root.
 
 runs:
   using: node20
diff --git a/src/index.js b/src/index.js
index d099833..a3d22fe 100644
--- a/src/index.js
+++ b/src/index.js
@@ -125,6 +125,9 @@ function parseBuildId(stdout) {
     if (getInput('token')) {
         startArgs.push('--token', getInput('token'));
     }
+    if (getInput('workdir')) {
+        startArgs.push('--workdir', getInput('workdir'));
+    }
     const spawnRet = spawnSync(cliPath, startArgs);
     checkSpawnSync(spawnRet);
     const buildId = parseBuildId(spawnRet.stdout);