diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ae8e2be..7eee39d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Obtain aws-cdk versions
         id: set-matrix
         run: |
-          VERSIONS_ARRAY=$(npm show aws-cdk time --json | jq 'del(.created, .modified) | keys' -c)
+          VERSIONS_ARRAY=$(npm view aws-cdk versions --json | jq -c '.[-256:]' )
           MATRIX="{\"cdk-version\":$VERSIONS_ARRAY}"
           echo "MATRIX=$MATRIX" >> $GITHUB_OUTPUT