diff --git a/action.yml b/action.yml
index f17fb02..999ccb7 100644
--- a/action.yml
+++ b/action.yml
@@ -62,7 +62,7 @@ runs:
       run: |
         output=
         for package in ${{ inputs.packages }}; do
-          output=$output,$package:$(dpkg -s xdot | grep Version | awk '{print $2}')
+          output=$output,$package:$(dpkg -s $package | grep Version | awk '{print $2}')
         done
         echo '::set-output name=package_version_list::output'
       shell: bash