diff --git a/node/README.md b/node/README.md
index 613091b..5562d14 100644
--- a/node/README.md
+++ b/node/README.md
@@ -17,6 +17,7 @@ Install dependencies, build, and upload a build artifact
 | `ARTIFACT_NAME` | <p>Name to give the uploaded artifact</p> | `false` | `dist` |
 | `ARTIFACT_PATH` | <p>Path to upload as the artifact</p> | `false` | `dist` |
 | `COPY_PRISMA_ENGINE` | <p>Copy the Prisma query engine binaries into the build directory</p> | `false` | `false` |
+| `WORKING_DIRECTORY` | <p>Working directory for install, build, and artifact steps</p> | `false` | `.` |
 <!-- action-docs-inputs source="action.yml" -->
 
 <!-- action-docs-runs source="action.yml" -->
diff --git a/node/action.yml b/node/action.yml
index 6c44430..7a2f2c4 100644
--- a/node/action.yml
+++ b/node/action.yml
@@ -19,6 +19,9 @@ inputs:
   COPY_PRISMA_ENGINE:
     description: "Copy the Prisma query engine binaries into the build directory"
     default: "false"
+  WORKING_DIRECTORY:
+    description: "Working directory for install, build, and artifact steps"
+    default: "."
 
 runs:
   using: composite
@@ -28,14 +31,16 @@ runs:
 
     - uses: actions/setup-node@v5
       with:
-        node-version-file: package.json
+        node-version-file: ${{ inputs.WORKING_DIRECTORY }}/package.json
 
     - name: Install
       shell: sh
+      working-directory: ${{ inputs.WORKING_DIRECTORY }}
       run: ${{ inputs.INSTALL_CMD }}
 
     - name: Build
       shell: sh
+      working-directory: ${{ inputs.WORKING_DIRECTORY }}
       run: |
         npm run ${{ inputs.BUILD_SCRIPT }}
         if [ -n "${{ inputs.EXTRA_BUILD_SCRIPT }}" ]; then
@@ -45,6 +50,7 @@ runs:
     - name: Copy Prisma Client Engine
       if: inputs.COPY_PRISMA_ENGINE == 'true'
       shell: sh
+      working-directory: ${{ inputs.WORKING_DIRECTORY }}
       run: |
         mkdir -p build/prisma
         cp node_modules/.prisma/client/libquery_engine-* build/prisma/