diff --git a/action.yml b/action.yml
index 20e757d..e15fc05 100644
--- a/action.yml
+++ b/action.yml
@@ -2,10 +2,10 @@ name: Setup composer
 description: Install and cache composer dependencies
 author: Jamie Schouten
 inputs:
-  directory:
+  working-directory:
     description: 'directory to run composer in'
     required: false
-    default: '.'
+    default: './'
   args:
     description: 'install arguments'
     required: false
@@ -30,11 +30,13 @@ runs:
 
     - name: Auth registry
       run: composer config --global bearer.packistry.qlic.nl ${{ inputs.packistry-token }}
+      working-directory: ${{ inputs.working-directory }}
 
     - name: Get Composer Cache Directory
       id: composer-cache
       run: |
         echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+      working-directory: ${{ inputs.working-directory }}
 
     - uses: actions/cache@v4
       with:
@@ -42,6 +44,8 @@ runs:
         key: ${{ runner.os }}-composer-${{ hashFiles(inputs.file) }}
         restore-keys: |
           ${{ runner.os }}-composer-
+      working-directory: ${{ inputs.working-directory }}
 
     - name: Install dependencies
       run: composer install ${{ inputs.args }}
+      working-directory: ${{ inputs.working-directory }}