diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a09aed3f42557c2668cce28233dda4517e784979..8d2981f9611afcdb56cfe63c04d2991384580ce3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,15 +34,15 @@ variables:
 image: $OCTAVELIB_REGISTRY_IMAGE
 
 stages:
-  - None   # FIXME Either fix pipeline or declare this project deprecated.
-  # - setup
-  # - test
-  # - deploy
+  - setup
+  - test
+  - deploy
 
 ######## Setup ########
 
 # Build a docker image in which tests for this repository can run
 build-testenv:
+  allow_failure: true  # FIXME Either fix or declare this project deprecated.
   tags: [ cached-dind ]
   stage: setup
   image: docker:20.10
@@ -90,6 +90,7 @@ code_style_cpp:
   allow_failure: true
 
 unit_tests:
+  allow_failure: true  # FIXME Either fix or declare this project deprecated.
   tags: [ docker ]
   stage: test
   script:
@@ -113,6 +114,7 @@ linting_cpp:
   allow_failure: true
 
 trigger_prepare:
+  allow_failure: true  # FIXME Either fix or declare this project deprecated.
   # Calculate the branch name
   tags: [ docker ]
   stage: deploy
@@ -145,6 +147,7 @@ trigger_prepare:
 
 # trigger the integration tests
 trigger_inttest:
+  when: manual  # FIXME Either fix or declare this project deprecated.
   stage: deploy
   needs: [ trigger_prepare ]
   inherit:
@@ -166,20 +169,21 @@ trigger_inttest:
 # Build the sphinx documentation and make it ready for deployment by Gitlab Pages
 # Special job for serving a static website. See https://docs.gitlab.com/ee/ci/yaml/README.html#pages
 .pages_prepare: &pages_prepare
-   tags: [ cached-dind ]
-   stage: deploy
-   script:
-     - make doc
-     - cp -r build/doc/html ./public
+  allow_failure: true  # FIXME Either fix or declare this project deprecated.
+  tags: [ cached-dind ]
+  stage: deploy
+  script:
+    - make doc
+    - cp -r build/doc/html ./public
 
 test_pages:
-   <<: *pages_prepare
-   except:
-     refs:
-       - main
-   artifacts:
-     paths:
-       - public
+  <<: *pages_prepare
+  except:
+    refs:
+      - main
+  artifacts:
+    paths:
+      - public
 
 pages:
    <<: *pages_prepare