diff --git a/action.yml b/action.yml
index 1243a30..fbd8ea8 100644
--- a/action.yml
+++ b/action.yml
@@ -27,7 +27,7 @@ runs:
       id: setup-python
       with:
         python-version: ${{ inputs.python-version }}
-        python-version-file: ${{ hashFiles('.python-version') == '' && '' || '.python-version' }}
+        python-version-file: ${{ hashFiles(format('{0}/.python-version', inputs.working-directory)) == '' && '' || format('{0}/.python-version', inputs.working-directory) }}
 
     - run: echo '::remove-matcher owner=python::'
       shell: bash
@@ -54,4 +54,4 @@ runs:
     - run: ${{ inputs.install-cmd }}
       if: inputs.install-cmd != '' && steps.cache-venv.outputs.cache-hit != 'true'
       shell: bash
-      working-directory: ${{ inputs.working-directory }}
\ No newline at end of file
+      working-directory: ${{ inputs.working-directory }}