diff --git a/.github/workflows/github-opengjk-examples.yml b/.github/workflows/github-opengjk-examples.yml
index 6c6c591..c5bae3c 100644
--- a/.github/workflows/github-opengjk-examples.yml
+++ b/.github/workflows/github-opengjk-examples.yml
@@ -30,4 +30,7 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3
+      - run: pwd
+      - run: ls
+      - run: version
       - run: cd examples/matlab/; run runme.m