diff --git a/doc/ci/introduction/img/job_running.png b/doc/ci/introduction/img/job_running.png
old mode 100755
new mode 100644
diff --git a/doc/ci/introduction/img/pipeline_status.png b/doc/ci/introduction/img/pipeline_status.png
old mode 100755
new mode 100644
diff --git a/doc/ci/introduction/img/rollback.png b/doc/ci/introduction/img/rollback.png
old mode 100755
new mode 100644