diff --git a/action.yml b/action.yml
index 4e5e15e..f2a53a1 100644
--- a/action.yml
+++ b/action.yml
@@ -26,6 +26,6 @@ runs:
           fi
           IFS=', ' read -r -a array <<< "$minmin_maxmax"
           min_thru_max_series=$( for i in `seq ${array[1]} $((array[3]-1))`; do printf "3.$i "; done )
-          echo "::set-output name=matrix::$( echo $min_thru_max_series | jq -cR 'split(" ")' )"
+          echo "matrix=$( echo $min_thru_max_series | jq -cR 'split(" ")' )" >> $GITHUB_OUTPUT
           echo $min_thru_max_series
       shell: bash