diff --git a/abgabesystem.py b/abgabesystem.py
index 35cd919..e7a43f6 100644
--- a/abgabesystem.py
+++ b/abgabesystem.py
@@ -147,7 +147,14 @@ def sync_project(gl, course, student):
     except gitlab.exceptions.GitlabGetError as e:
         student_member = project.members.create({'user_id': student.user.id, 'access_level':
                                                  gitlab.DEVELOPER_ACCESS})
-    project.keys.create({'title': 'abgabesystem', 'key': open('abgabesystem.key.pub').read()})
+    deploy_key = None
+    for k in gl.deploykeys.list():
+        if k.key == course.deploy_key:
+            deploy_key = k
+    if deploy_key is None:
+        print('Missing deploy key. Add global deploy key and sync again')
+    else:
+        project.keys.enable(deploy_key.id)
     project.container_registry_enabled = False
     project.lfs_enabled = False
     project.save()
diff --git a/config.yml b/config.yml
index b20b6a3..f0768b3 100644
--- a/config.yml
+++ b/config.yml
@@ -6,3 +6,5 @@ course:
   name: test_course
   base: test_base
   students: Students.csv
+  deploy_key:
+    'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDKl2zu3ClMIOI6EhEi0qGjwCgEaWYfRl2149T45pcggnYc3CVln0FJhjXvWbfMU984TjJMw4X8dfeZpf9p7xtieAab6yz+vB6QTW1ur9Uge0Wv/D084Sdzb3FovC+Qr90d6BAd+A6+v/vEprTLnuX8McQuB4p8l6iimFrhmv4IdrD1W/y0AUEzdz/eXpsHavlqGrpb4oQ0aAnZq0qQ9cYAltcXKQzgLi7zoKJGNWR+gz4hfRfqme87+k0ABO3hWwcIuwm/XdHm9Z+hjZrPfqmZGJF71FasE9jymP0Si4sgQLjaX+qQh3ojubBN7RwhUo3zjFFFUL5/tLEIr42SGpXF abgabesystem'