diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 91e1cf63d0e4d2f08d7c18502519c55cea4461f0..c962bae590d47d1a22160e5a985a4c6eab35f5f8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -73,15 +73,14 @@ default:
 # Stage: build
 # ============
 #
-# Builds or updates CI test container image
+# Builds CI test container image
 # There are 2 moments in which we (re)build the container image. If some files are
-# changed, or when it needs to be done manually. There is no *or* in "only" or
-# "rules", so we have two jobs with different rules instead. Write
-# "REBUILD_CONTAINER" in your commit message to force rebuilding the container.
+# changed, or when it needs to be done manually
+# Write "REBUILD_CONTAINER" in your commit message to force rebuilding the container.
 
-ci-test-image-update:
+ci-test-image-build:
   <<: *image_build_template
-  rules::
+  rules:
     # Automatically rebuild the container image if this file, the Dockerfile,
     # the installed requirements or the kaniko template change
     - changes: