diff --git a/README.md b/README.md
old mode 100644
new mode 100755
diff --git a/doc/.gitkeep b/doc/.gitkeep
old mode 100644
new mode 100755
diff --git a/doc/timetable_search.png b/doc/timetable_search.png
old mode 100644
new mode 100755
diff --git a/doc/timetable_search_small.png b/doc/timetable_search_small.png
old mode 100644
new mode 100755
diff --git a/doc/timetable_searchresults.png b/doc/timetable_searchresults.png
old mode 100644
new mode 100755
diff --git a/doc/timetable_searchresults_small.png b/doc/timetable_searchresults_small.png
old mode 100644
new mode 100755