diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4a05c732261209b050908e45baf9cbc4000104e7..e22aae2bff441c0e9d5002b0aa5f9772c3dff397 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,18 +28,20 @@ doxygen:
   before_script:
     - apk update && apk --no-cache add git doxygen graphviz ttf-freefont texmf-dist texmf-dist-latexextra texlive texlive-dvi
   script:
-    # libaries
-    - git clone --recurse-submodules https://gitlab-ci-token:${CI_JOB_TOKEN}@git.rwth-aachen.de/unicado/libraries
-    - cd libraries/aircraftGeometry2/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
+    # clone repos
+    - git clone https://gitlab-ci-token:${CI_JOB_TOKEN}@git.rwth-aachen.de/unicado/aircraft-design
+    - cd aircraft-design
+    - git clone --recurse-submodules https://gitlab-ci-token:${CI_JOB_TOKEN}@git.rwth-aachen.de/unicado/libraries libs/
+    # create aircraft design documentation
+    - cd propulsion_design/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
+    - cd ../../wing_design/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
+    - cd ../../empennage_design/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
+    - cd ../../ecological_assessment/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
+    # create libraries documentation
+    - cd ../../libs/aircraftGeometry2/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
     - cd ../../engine/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
     - cd $CI_PROJECT_DIR
-    # aircraft design
-    - git clone --recurse-submodules https://gitlab-ci-token:${CI_JOB_TOKEN}@git.rwth-aachen.de/unicado/aircraft-design
-    - cd aircraft-design/propulsion_design/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
-    - cd ../../aircraft-design/wing_design/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
-    - cd ../../aircraft-design/empennage_design/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
-    - cd ../../aircraft-design/ecological_assessment/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/documentation/" ) | doxygen -
-        
+
   artifacts:
     paths:
       - $CI_PROJECT_DIR/docs/documentation